115237442550 has 24 divisors (see below), whose sum is σ = 285788857896. Its totient is φ = 30729984640.

The previous prime is 115237442497. The next prime is 115237442563. The reversal of 115237442550 is 55244732511.

It is a junction number, because it is equal to n+sod(n) for n = 115237442499 and 115237442508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384124659 + ... + 384124958.

It is an arithmetic number, because the mean of its divisors is an integer number (11907869079).

Almost surely, 2^115237442550 is an apocalyptic number.

115237442550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115237442550 is an abundant number, since it is smaller than the sum of its proper divisors (170551415346).

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

115237442550 is a wasteful number, since it uses less digits than its factorization.

115237442550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768249632 (or 768249627 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 115237442550 in words is "one hundred fifteen billion, two hundred thirty-seven million, four hundred forty-two thousand, five hundred fifty".