56615700199 has 2 divisors, whose sum is σ = 56615700200. Its totient is φ = 56615700198.

The previous prime is 56615700191. The next prime is 56615700269. The reversal of 56615700199 is 99100751665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56615700199 - 2³ = 56615700191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56615700191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28307850099 + 28307850100.

It is an arithmetic number, because the mean of its divisors is an integer number (28307850100).

Almost surely, 2^56615700199 is an apocalyptic number.

56615700199 is a deficient number, since it is larger than the sum of its proper divisors (1).

56615700199 is an equidigital number, since it uses as much as digits as its factorization.

56615700199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 510300, while the sum is 49.

The spelling of 56615700199 in words is "fifty-six billion, six hundred fifteen million, seven hundred thousand, one hundred ninety-nine".