56616100505051 has 16 divisors (see below), whose sum is σ = 57142566439200. Its totient is φ = 56091084092160.

The previous prime is 56616100505017. The next prime is 56616100505077. The reversal of 56616100505051 is 15050500161665.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56616100505051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56616100505551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799706111 + ... + 799776903.

It is an arithmetic number, because the mean of its divisors is an integer number (3571410402450).

Almost surely, 2^{56616100505051} is an apocalyptic number.

56616100505051 is a deficient number, since it is larger than the sum of its proper divisors (526465934149).

56616100505051 is a wasteful number, since it uses less digits than its factorization.

56616100505051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80926.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 56616100505051 in words is "fifty-six trillion, six hundred sixteen billion, one hundred million, five hundred five thousand, fifty-one".