115816133678438 has 16 divisors (see below), whose sum is σ = 173764086936336. Its totient is φ = 57894771882240.

The previous prime is 115816133678429. The next prime is 115816133678459. The reversal of 115816133678438 is 834876331618511.

115816133678438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×115816133678438² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611520878 + ... + 611710238.

It is an arithmetic number, because the mean of its divisors is an integer number (10860255433521).

Almost surely, 2^{115816133678438} is an apocalyptic number.

115816133678438 is a deficient number, since it is larger than the sum of its proper divisors (57947953257898).

115816133678438 is a wasteful number, since it uses less digits than its factorization.

115816133678438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257959.

The product of its digits is 69672960, while the sum is 65.

The spelling of 115816133678438 in words is "one hundred fifteen trillion, eight hundred sixteen billion, one hundred thirty-three million, six hundred seventy-eight thousand, four hundred thirty-eight".