115539437400 has 96 divisors (see below), whose sum is σ = 373745007360. Its totient is φ = 29470925440.

The previous prime is 115539437383. The next prime is 115539437411. The reversal of 115539437400 is 4734935511.

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 23 ways as a sum of consecutive naturals, for example, 4172412 + ... + 4200011.

It is an arithmetic number, because the mean of its divisors is an integer number (3893177160).

Almost surely, 2^115539437400 is an apocalyptic number.

115539437400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115539437400 is an abundant number, since it is smaller than the sum of its proper divisors (258205569960).

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

115539437400 is a wasteful number, since it uses less digits than its factorization.

115539437400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372465 (or 8372456 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 115539437400 in words is "one hundred fifteen billion, five hundred thirty-nine million, four hundred thirty-seven thousand, four hundred".