115929438318 has 48 divisors (see below), whose sum is σ = 256579854336. Its totient is φ = 37812822480.

The previous prime is 115929438311. The next prime is 115929438319. The reversal of 115929438318 is 813834929511.

It is a happy number.

115929438318 is a `hidden beast` number, since 1 + 1 + 5 + 9 + 294 + 38 + 318 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115929438311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4887355 + ... + 4911017.

It is an arithmetic number, because the mean of its divisors is an integer number (5345413632).

Almost surely, 2^115929438318 is an apocalyptic number.

115929438318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

115929438318 is an abundant number, since it is smaller than the sum of its proper divisors (140650416018).

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

115929438318 is a wasteful number, since it uses less digits than its factorization.

115929438318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29509 (or 29506 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The spelling of 115929438318 in words is "one hundred fifteen billion, nine hundred twenty-nine million, four hundred thirty-eight thousand, three hundred eighteen".