80211805873815 has 64 divisors (see below), whose sum is σ = 162395090288640. Its totient is φ = 32837242458240.

The previous prime is 80211805873807. The next prime is 80211805873831. The reversal of 80211805873815 is 51837850811208.

It is not a de Polignac number, because 80211805873815 - 2³ = 80211805873807 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 518187175 + ... + 518341944.

It is an arithmetic number, because the mean of its divisors is an integer number (2537423285760).

Almost surely, 2^{80211805873815} is an apocalyptic number.

80211805873815 is an abundant number, since it is smaller than the sum of its proper divisors (82183284414825).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80211805873815 is a wasteful number, since it uses less digits than its factorization.

80211805873815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036529212.

The product of its (nonzero) digits is 4300800, while the sum is 57.

The spelling of 80211805873815 in words is "eighty trillion, two hundred eleven billion, eight hundred five million, eight hundred seventy-three thousand, eight hundred fifteen".