56815077119 has 2 divisors, whose sum is σ = 56815077120. Its totient is φ = 56815077118.

The previous prime is 56815077107. The next prime is 56815077157. The reversal of 56815077119 is 91177051865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56815077119 - 2⁸ = 56815076863 is a prime.

It is a super-2 number, since 2×56815077119² (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 (56815070119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28407538559 + 28407538560.

It is an arithmetic number, because the mean of its divisors is an integer number (28407538560).

Almost surely, 2^56815077119 is an apocalyptic number.

56815077119 is a deficient number, since it is larger than the sum of its proper divisors (1).

56815077119 is an equidigital number, since it uses as much as digits as its factorization.

56815077119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 50.

The spelling of 56815077119 in words is "fifty-six billion, eight hundred fifteen million, seventy-seven thousand, one hundred nineteen".