septendecillion
/ˌsɛptənˈdɛsɪljən/
noun
- The number represented by 1 followed by 54 zeros (10⁵⁴) in the American system, or 1 followed by 102 zeros (10¹⁰²) in the British system.
- In the American numbering system, a septendecillion has 54 zeros.
- A septendecillion is so large that it has no practical use in everyday life.
- The astronomer calculated the distance in miles as roughly a septendecillion.