Heptillion

num

num ·Rare ·Advanced level

Definitions

Numeral
  1. 1
    Synonym of septillion. rare

    "A single aphid can theoretically generate 1 heptillion descendants (that's 24 zeroes)."

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septillion

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"A single aphid can theoretically generate 1 heptillion descendants (that's 24 zeroes)."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.