115312442499 has 24 divisors (see below), whose sum is σ = 177136399440. Its totient is φ = 72078087168.

The previous prime is 115312442473. The next prime is 115312442587. The reversal of 115312442499 is 994244213511.

115312442499 is a `hidden beast` number, since 1 + 1 + 531 + 2 + 4 + 4 + 24 + 99 = 666.

It is not a de Polignac number, because 115312442499 - 2³² = 111017475203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115312442299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3459402 + ... + 3492575.

It is an arithmetic number, because the mean of its divisors is an integer number (7380683310).

Almost surely, 2^115312442499 is an apocalyptic number.

115312442499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

115312442499 is a deficient number, since it is larger than the sum of its proper divisors (61823956941).

115312442499 is a wasteful number, since it uses less digits than its factorization.

115312442499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952099 (or 6952096 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 115312442499 in words is "one hundred fifteen billion, three hundred twelve million, four hundred forty-two thousand, four hundred ninety-nine".