56131236604 has 12 divisors (see below), whose sum is σ = 102500519184. Its totient is φ = 26845373984.

The previous prime is 56131236593. The next prime is 56131236619. The reversal of 56131236604 is 40663213165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305060977 + ... + 305061160.

It is an arithmetic number, because the mean of its divisors is an integer number (8541709932).

Almost surely, 2^56131236604 is an apocalyptic number.

It is an amenable number.

56131236604 is a deficient number, since it is larger than the sum of its proper divisors (46369282580).

56131236604 is a wasteful number, since it uses less digits than its factorization.

56131236604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610122164 (or 610122162 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 56131236604 its reverse (40663213165), we get a palindrome (96794449769).

The spelling of 56131236604 in words is "fifty-six billion, one hundred thirty-one million, two hundred thirty-six thousand, six hundred four".