56722114610509 has 2 divisors, whose sum is σ = 56722114610510. Its totient is φ = 56722114610508.

The previous prime is 56722114610471. The next prime is 56722114610561. The reversal of 56722114610509 is 90501641122765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56447122396900 + 274992213609 = 7513130^2 + 524397^2 .

It is a cyclic number.

It is not a de Polignac number, because 56722114610509 - 2¹⁹ = 56722114086221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56722114610809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28361057305254 + 28361057305255.

It is an arithmetic number, because the mean of its divisors is an integer number (28361057305255).

Almost surely, 2^{56722114610509} is an apocalyptic number.

It is an amenable number.

56722114610509 is a deficient number, since it is larger than the sum of its proper divisors (1).

56722114610509 is an equidigital number, since it uses as much as digits as its factorization.

56722114610509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 56722114610509 in words is "fifty-six trillion, seven hundred twenty-two billion, one hundred fourteen million, six hundred ten thousand, five hundred nine".