115564373597 has 2 divisors, whose sum is σ = 115564373598. Its totient is φ = 115564373596.

The previous prime is 115564373557. The next prime is 115564373647. The reversal of 115564373597 is 795373465511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74757949561 + 40806424036 = 273419^2 + 202006^2 .

It is a cyclic number.

It is not a de Polignac number, because 115564373597 - 2³² = 111269406301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115564373557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57782186798 + 57782186799.

It is an arithmetic number, because the mean of its divisors is an integer number (57782186799).

Almost surely, 2^115564373597 is an apocalyptic number.

It is an amenable number.

115564373597 is a deficient number, since it is larger than the sum of its proper divisors (1).

115564373597 is an equidigital number, since it uses as much as digits as its factorization.

115564373597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11907000, while the sum is 56.

The spelling of 115564373597 in words is "one hundred fifteen billion, five hundred sixty-four million, three hundred seventy-three thousand, five hundred ninety-seven".