56611745061 has 32 divisors (see below), whose sum is σ = 77141483520. Its totient is φ = 36921225600.

The previous prime is 56611745039. The next prime is 56611745107. The reversal of 56611745061 is 16054711665.

It is a happy number.

56611745061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56611745061 - 2¹⁰ = 56611744037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56611745161) 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, 15851406 + ... + 15854976.

It is an arithmetic number, because the mean of its divisors is an integer number (2410671360).

Almost surely, 2^56611745061 is an apocalyptic number.

It is an amenable number.

56611745061 is a deficient number, since it is larger than the sum of its proper divisors (20529738459).

56611745061 is a wasteful number, since it uses less digits than its factorization.

56611745061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 56611745061 in words is "fifty-six billion, six hundred eleven million, seven hundred forty-five thousand, sixty-one".