56611870127 has 2 divisors, whose sum is σ = 56611870128. Its totient is φ = 56611870126.

The previous prime is 56611870061. The next prime is 56611870141. The reversal of 56611870127 is 72107811665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56611870127 - 2⁸ = 56611869871 is a prime.

It is a super-2 number, since 2×56611870127² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56611870177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28305935063 + 28305935064.

It is an arithmetic number, because the mean of its divisors is an integer number (28305935064).

Almost surely, 2^56611870127 is an apocalyptic number.

56611870127 is a deficient number, since it is larger than the sum of its proper divisors (1).

56611870127 is an equidigital number, since it uses as much as digits as its factorization.

56611870127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 56611870127 in words is "fifty-six billion, six hundred eleven million, eight hundred seventy thousand, one hundred twenty-seven".