# septendecillion

> English word · Numeral · IPA /ˌsɛptəndəˈsɪl.i.ən/

## Definitions
1. 10⁵⁴.
2. 10¹⁰².

## Etymology
From Latin septendec(im) (“seventeen”) + -illion; compare tredecillion, quattuordecillion, etc. By surface analysis, septen- + decillion.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/septendecillion