septendecillion

(sĕpˌtĕn-dĭ-sĭlˈyən)

1. The cardinal number equal to 10⁵⁴.
2. Chiefly British The cardinal number equal to 10¹⁰².

Related Forms:

• sepˌten·de·cilˈlion adjective

• sepˌten·de·cilˈlionth adjective, adv. & n.