56722038311 has 2 divisors, whose sum is σ = 56722038312. Its totient is φ = 56722038310.

The previous prime is 56722038299. The next prime is 56722038361. The reversal of 56722038311 is 11383022765.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56722038311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56722038361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28361019155 + 28361019156.

It is an arithmetic number, because the mean of its divisors is an integer number (28361019156).

Almost surely, 2^56722038311 is an apocalyptic number.

56722038311 is a deficient number, since it is larger than the sum of its proper divisors (1).

56722038311 is an equidigital number, since it uses as much as digits as its factorization.

56722038311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 56722038311 in words is "fifty-six billion, seven hundred twenty-two million, thirty-eight thousand, three hundred eleven".