56815077107 has 2 divisors, whose sum is σ = 56815077108. Its totient is φ = 56815077106.

The previous prime is 56815077097. The next prime is 56815077119. The reversal of 56815077107 is 70177051865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56815077107 - 2⁴ = 56815077091 is a prime.

It is not a weakly prime, because it can be changed into another prime (56815077157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28407538553 + 28407538554.

It is an arithmetic number, because the mean of its divisors is an integer number (28407538554).

Almost surely, 2^56815077107 is an apocalyptic number.

56815077107 is a deficient number, since it is larger than the sum of its proper divisors (1).

56815077107 is an equidigital number, since it uses as much as digits as its factorization.

56815077107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 411600, while the sum is 47.

The spelling of 56815077107 in words is "fifty-six billion, eight hundred fifteen million, seventy-seven thousand, one hundred seven".