56500611187 has 2 divisors, whose sum is σ = 56500611188. Its totient is φ = 56500611186.

The previous prime is 56500611157. The next prime is 56500611221. The reversal of 56500611187 is 78111600565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56500611187 - 2⁷ = 56500611059 is a prime.

It is not a weakly prime, because it can be changed into another prime (56500611157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28250305593 + 28250305594.

It is an arithmetic number, because the mean of its divisors is an integer number (28250305594).

Almost surely, 2^56500611187 is an apocalyptic number.

56500611187 is a deficient number, since it is larger than the sum of its proper divisors (1).

56500611187 is an equidigital number, since it uses as much as digits as its factorization.

56500611187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 56500611187 in words is "fifty-six billion, five hundred million, six hundred eleven thousand, one hundred eighty-seven".