56113172685 has 16 divisors (see below), whose sum is σ = 99756751680. Its totient is φ = 29927025360.

The previous prime is 56113172683. The next prime is 56113172711. The reversal of 56113172685 is 58627131165.

56113172685 is a `hidden beast` number, since 5 + 611 + 3 + 1 + 7 + 26 + 8 + 5 = 666.

It is not a de Polignac number, because 56113172685 - 2¹ = 56113172683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56113172685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56113172683) 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, 207826431 + ... + 207826700.

It is an arithmetic number, because the mean of its divisors is an integer number (6234796980).

Almost surely, 2^56113172685 is an apocalyptic number.

It is an amenable number.

56113172685 is a deficient number, since it is larger than the sum of its proper divisors (43643578995).

56113172685 is a wasteful number, since it uses less digits than its factorization.

56113172685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415653145 (or 415653139 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The spelling of 56113172685 in words is "fifty-six billion, one hundred thirteen million, one hundred seventy-two thousand, six hundred eighty-five".