56108835688491 has 6 divisors (see below), whose sum is σ = 81046095994500. Its totient is φ = 37405890458988.

The previous prime is 56108835688483. The next prime is 56108835688501. The reversal of 56108835688491 is 19488653880165.

56108835688491 is a `hidden beast` number, since 5 + 6 + 1 + 0 + 8 + 8 + 3 + 56 + 88 + 491 = 666.

It is not a de Polignac number, because 56108835688491 - 2³ = 56108835688483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56108835688091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3117157538241 + ... + 3117157538258.

It is an arithmetic number, because the mean of its divisors is an integer number (13507682665750).

Almost surely, 2^{56108835688491} is an apocalyptic number.

56108835688491 is a deficient number, since it is larger than the sum of its proper divisors (24937260306009).

56108835688491 is a wasteful number, since it uses less digits than its factorization.

56108835688491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234315076505 (or 6234315076502 counting only the distinct ones).

The product of its (nonzero) digits is 398131200, while the sum is 72.

The spelling of 56108835688491 in words is "fifty-six trillion, one hundred eight billion, eight hundred thirty-five million, six hundred eighty-eight thousand, four hundred ninety-one".