115431026999 has 2 divisors, whose sum is σ = 115431027000. Its totient is φ = 115431026998.

The previous prime is 115431026981. The next prime is 115431027007. The reversal of 115431026999 is 999620134511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115431026999 - 2³² = 111136059703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115431026099) 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, 57715513499 + 57715513500.

It is an arithmetic number, because the mean of its divisors is an integer number (57715513500).

Almost surely, 2^115431026999 is an apocalyptic number.

115431026999 is a deficient number, since it is larger than the sum of its proper divisors (1).

115431026999 is an equidigital number, since it uses as much as digits as its factorization.

115431026999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 50.

The spelling of 115431026999 in words is "one hundred fifteen billion, four hundred thirty-one million, twenty-six thousand, nine hundred ninety-nine".