115572722957 has 2 divisors, whose sum is σ = 115572722958. Its totient is φ = 115572722956.

The previous prime is 115572722917. The next prime is 115572722971. The reversal of 115572722957 is 759227275511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96734062441 + 18838660516 = 311021^2 + 137254^2 .

It is a cyclic number.

It is not a de Polignac number, because 115572722957 - 2³⁶ = 46853246221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115572722899 and 115572722908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115572722917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57786361478 + 57786361479.

It is an arithmetic number, because the mean of its divisors is an integer number (57786361479).

Almost surely, 2^115572722957 is an apocalyptic number.

It is an amenable number.

115572722957 is a deficient number, since it is larger than the sum of its proper divisors (1).

115572722957 is an equidigital number, since it uses as much as digits as its factorization.

115572722957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3087000, while the sum is 53.

The spelling of 115572722957 in words is "one hundred fifteen billion, five hundred seventy-two million, seven hundred twenty-two thousand, nine hundred fifty-seven".