104215255616 has 28 divisors (see below), whose sum is σ = 213933260220. Its totient is φ = 50310812160.

The previous prime is 104215255597. The next prime is 104215255621. The reversal of 104215255616 is 616552512401.

It can be written as a sum of positive squares in 2 ways, for example, as 26864521216 + 77350734400 = 163904^2 + 278120^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 104215255616.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28073375 + ... + 28077086.

Almost surely, 2^104215255616 is an apocalyptic number.

104215255616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

104215255616 is an abundant number, since it is smaller than the sum of its proper divisors (109718004604).

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

104215255616 is an equidigital number, since it uses as much as digits as its factorization.

104215255616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56150502 (or 56150492 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 104215255616 in words is "one hundred four billion, two hundred fifteen million, two hundred fifty-five thousand, six hundred sixteen".