115515500230 has 48 divisors (see below), whose sum is σ = 237002904720. Its totient is φ = 40407030144.

The previous prime is 115515500227. The next prime is 115515500237. The reversal of 115515500230 is 32005515511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115515500237) 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, 1766637 + ... + 1830856.

It is an arithmetic number, because the mean of its divisors is an integer number (4937560515).

Almost surely, 2^115515500230 is an apocalyptic number.

115515500230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115515500230 is an abundant number, since it is smaller than the sum of its proper divisors (121487404490).

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

115515500230 is a wasteful number, since it uses less digits than its factorization.

115515500230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597545 (or 3597532 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 115515500230 in words is "one hundred fifteen billion, five hundred fifteen million, five hundred thousand, two hundred thirty".