56886907611 has 32 divisors (see below), whose sum is σ = 85695978240. Its totient is φ = 33351865344.

The previous prime is 56886907603. The next prime is 56886907613. The reversal of 56886907611 is 11670968865.

It is not a de Polignac number, because 56886907611 - 2³ = 56886907603 is a prime.

It is a super-2 number, since 2×56886907611² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (56886907613) 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, 331365 + ... + 472838.

It is an arithmetic number, because the mean of its divisors is an integer number (2677999320).

Almost surely, 2^56886907611 is an apocalyptic number.

56886907611 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56886907611 is a deficient number, since it is larger than the sum of its proper divisors (28809070629).

56886907611 is a wasteful number, since it uses less digits than its factorization.

56886907611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804315.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 56886907611 in words is "fifty-six billion, eight hundred eighty-six million, nine hundred seven thousand, six hundred eleven".