56113605019 has 2 divisors, whose sum is σ = 56113605020. Its totient is φ = 56113605018.

The previous prime is 56113605007. The next prime is 56113605047. The reversal of 56113605019 is 91050631165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56113605019 - 2⁹ = 56113604507 is a prime.

It is a super-2 number, since 2×56113605019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56113605319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28056802509 + 28056802510.

It is an arithmetic number, because the mean of its divisors is an integer number (28056802510).

Almost surely, 2^56113605019 is an apocalyptic number.

56113605019 is a deficient number, since it is larger than the sum of its proper divisors (1).

56113605019 is an equidigital number, since it uses as much as digits as its factorization.

56113605019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 37.

The spelling of 56113605019 in words is "fifty-six billion, one hundred thirteen million, six hundred five thousand, nineteen".