115515300 has 72 divisors (see below), whose sum is σ = 345033472. Its totient is φ = 29808000.

The previous prime is 115515299. The next prime is 115515311. The reversal of 115515300 is 3515511.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3090 + ... + 15510.

Almost surely, 2^115515300 is an apocalyptic number.

115515300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115515300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172516736).

115515300 is an abundant number, since it is smaller than the sum of its proper divisors (229518172).

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

115515300 is a wasteful number, since it uses less digits than its factorization.

115515300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12469 (or 12462 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 115515300 is about 10747.8044269516. The cubic root of 115515300 is about 487.0196715347.

The spelling of 115515300 in words is "one hundred fifteen million, five hundred fifteen thousand, three hundred".