56716120717 has 2 divisors, whose sum is σ = 56716120718. Its totient is φ = 56716120716.

The previous prime is 56716120709. The next prime is 56716120757. The reversal of 56716120717 is 71702161765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41858704836 + 14857415881 = 204594^2 + 121891^2 .

It is a cyclic number.

It is not a de Polignac number, because 56716120717 - 2³ = 56716120709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56716120757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28358060358 + 28358060359.

It is an arithmetic number, because the mean of its divisors is an integer number (28358060359).

Almost surely, 2^56716120717 is an apocalyptic number.

It is an amenable number.

56716120717 is a deficient number, since it is larger than the sum of its proper divisors (1).

56716120717 is an equidigital number, since it uses as much as digits as its factorization.

56716120717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 43.

The spelling of 56716120717 in words is "fifty-six billion, seven hundred sixteen million, one hundred twenty thousand, seven hundred seventeen".