115431344736 has 48 divisors (see below), whose sum is σ = 303053534784. Its totient is φ = 38471241344.

The previous prime is 115431344729. The next prime is 115431344759. The reversal of 115431344736 is 637443134511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×115431344736² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564715 + ... + 741461.

It is an arithmetic number, because the mean of its divisors is an integer number (6313615308).

Almost surely, 2^115431344736 is an apocalyptic number.

115431344736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115431344736 is an abundant number, since it is smaller than the sum of its proper divisors (187622190048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115431344736 is a wasteful number, since it uses less digits than its factorization.

115431344736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183563 (or 183555 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The spelling of 115431344736 in words is "one hundred fifteen billion, four hundred thirty-one million, three hundred forty-four thousand, seven hundred thirty-six".