56005506111 has 32 divisors (see below), whose sum is σ = 77638173696. Its totient is φ = 35885520000.

The previous prime is 56005506101. The next prime is 56005506113. The reversal of 56005506111 is 11160550065.

It is not a de Polignac number, because 56005506111 - 2⁵ = 56005506079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56005506113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5680336 + ... + 5690186.

It is an arithmetic number, because the mean of its divisors is an integer number (2426192928).

Almost surely, 2^56005506111 is an apocalyptic number.

56005506111 is a deficient number, since it is larger than the sum of its proper divisors (21632667585).

56005506111 is a wasteful number, since it uses less digits than its factorization.

56005506111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10623.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 56005506111 in words is "fifty-six billion, five million, five hundred six thousand, one hundred eleven".