115124812550 has 24 divisors (see below), whose sum is σ = 233598711672. Its totient is φ = 41863568000.

The previous prime is 115124812547. The next prime is 115124812613. The reversal of 115124812550 is 55218421511.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115124812550.

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, 104658371 + ... + 104659470.

It is an arithmetic number, because the mean of its divisors is an integer number (9733279653).

Almost surely, 2^115124812550 is an apocalyptic number.

115124812550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115124812550 is an abundant number, since it is smaller than the sum of its proper divisors (118473899122).

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

115124812550 is a wasteful number, since it uses less digits than its factorization.

115124812550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209317864 (or 209317859 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 35.

The spelling of 115124812550 in words is "one hundred fifteen billion, one hundred twenty-four million, eight hundred twelve thousand, five hundred fifty".