56615501111105 has 32 divisors (see below), whose sum is σ = 71324407526400. Its totient is φ = 43085073196800.

The previous prime is 56615501111053. The next prime is 56615501111111. The reversal of 56615501111105 is 50111110551665.

It is not a de Polignac number, because 56615501111105 - 2¹⁶ = 56615501045569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119645675 + ... + 120117935.

It is an arithmetic number, because the mean of its divisors is an integer number (2228887735200).

Almost surely, 2^{56615501111105} is an apocalyptic number.

It is an amenable number.

56615501111105 is a deficient number, since it is larger than the sum of its proper divisors (14708906415295).

56615501111105 is a wasteful number, since it uses less digits than its factorization.

56615501111105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485465.

The product of its (nonzero) digits is 22500, while the sum is 38.

The spelling of 56615501111105 in words is "fifty-six trillion, six hundred fifteen billion, five hundred one million, one hundred eleven thousand, one hundred five".