septillion
Syllables: sep·til·lion/sɛpˈtɪljən/
septillion numeral: a trillion trillion: 1 followed by 24 zeros, 10²⁴.
Numeral
septillion (plural septillions)
- A trillion trillion: 1 followed by 24 zeros, 10²⁴.
- A billion quintillion: 1 followed by 42 zeros, 10⁴².
septillion meaning in Malay
septillion in Malay
- a trillion trillion, 1024 — see also quadrillion
- septilion
Synonyms of septillion
- 1024
- 1042
Forms of septillion
| plural | septillions |
|---|
Origin of septillion
From French septillion, from sept- (“seven”) + -illion. By surface analysis, sept- + -illion.
Words formed from septillion
Words that rhyme with septillion
- pavilion
- vermilion
- pillion
- billion
- novemdecillion
- quintillion
- trillion
- Brazilian
- Castilian
- centillion
- decillion
- duodecillion
48 more rhymesFewer rhymes
- duovigintillion
- million
- nonillion
- octillion
- octodecillion
- quadrillion
- quattuordecillion
- quattuorvigintillion
- quindecillion
- septendecillion
- sexdecillion
- sextillion
- tredecillion
- trevigintillion
- trigintillion
- undecillion
- unvigintillion
- duotrigintillion
- gazillion
- gillian
- gillion
- godzillion
- gorillion
- Jillian
- jillion
- Kabylian
- Luxulyan
- mandilion
- mandylion
- Maximilian
- millillion
- millinillion
- novemtrigintillion
- novemvigintillion
- octogintillion
- octotrigintillion
- octovigintillion
- quadragintillion
- quattuortrigintillion
- quinquagintillion
- quinvigintillion
- septentrigintillion
- septenvigintillion
- sextrigintillion
- sexvigintillion
- squillion
- untrigintillion
- vigintillion
Questions about septillion
- What does septillion mean?
- Septillion means a trillion trillion: 1 followed by 24 zeros, 10²⁴.
- What is septillion in Malay?
- Septillion in Malay is septilion. See Septillion meaning in Malay.
- What part of speech is septillion?
- Septillion is a numeral.
- How do you pronounce septillion?
- Septillion is pronounced /sɛpˈtɪljən/.
Words near septillion in the dictionary
Source and license
Adapted from Wiktionary: septillion (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: En-us-septillion.ogg.
Cite this entry: “septillion.” Word.ws, https://word.ws/septillion. Based on Wiktionary, CC BY-SA 4.0.