56611135075 has 48 divisors (see below), whose sum is σ = 82484899200. Its totient is φ = 38097561600.

The previous prime is 56611135069. The next prime is 56611135079. The reversal of 56611135075 is 57053111665.

It is a happy number.

It is not a de Polignac number, because 56611135075 - 2¹⁵ = 56611102307 is a prime.

It is a super-2 number, since 2×56611135075² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56611135079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98691 + ... + 350659.

It is an arithmetic number, because the mean of its divisors is an integer number (1718435400).

Almost surely, 2^56611135075 is an apocalyptic number.

56611135075 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56611135075 is a deficient number, since it is larger than the sum of its proper divisors (25873764125).

56611135075 is a wasteful number, since it uses less digits than its factorization.

56611135075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252052 (or 252047 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 56611135075 in words is "fifty-six billion, six hundred eleven million, one hundred thirty-five thousand, seventy-five".