56863031117 has 2 divisors, whose sum is σ = 56863031118. Its totient is φ = 56863031116.

The previous prime is 56863031107. The next prime is 56863031149. The reversal of 56863031117 is 71113036865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34739740996 + 22123290121 = 186386^2 + 148739^2 .

It is a cyclic number.

It is not a de Polignac number, because 56863031117 - 2²² = 56858836813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56863031107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28431515558 + 28431515559.

It is an arithmetic number, because the mean of its divisors is an integer number (28431515559).

Almost surely, 2^56863031117 is an apocalyptic number.

It is an amenable number.

56863031117 is a deficient number, since it is larger than the sum of its proper divisors (1).

56863031117 is an equidigital number, since it uses as much as digits as its factorization.

56863031117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 56863031117 in words is "fifty-six billion, eight hundred sixty-three million, thirty-one thousand, one hundred seventeen".