115923704591 has 2 divisors, whose sum is σ = 115923704592. Its totient is φ = 115923704590.

The previous prime is 115923704581. The next prime is 115923704623. The reversal of 115923704591 is 195407329511.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (195407329511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115923704591 - 2³⁰ = 114849962767 is a prime.

It is a super-2 number, since 2×115923704591² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115923704581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57961852295 + 57961852296.

It is an arithmetic number, because the mean of its divisors is an integer number (57961852296).

Almost surely, 2^115923704591 is an apocalyptic number.

115923704591 is a deficient number, since it is larger than the sum of its proper divisors (1).

115923704591 is an equidigital number, since it uses as much as digits as its factorization.

115923704591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 115923704591 in words is "one hundred fifteen billion, nine hundred twenty-three million, seven hundred four thousand, five hundred ninety-one".