115615500 has 432 divisors, whose sum is σ = 463593312. Its totient is φ = 22176000.

The previous prime is 115615481. The next prime is 115615501. The reversal of 115615500 is 5516511.

It is not an unprimeable number, because it can be changed into a prime (115615501) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8893494 + ... + 8893506.

Almost surely, 2^115615500 is an apocalyptic number.

115615500 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 115615500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231796656).

115615500 is an abundant number, since it is smaller than the sum of its proper divisors (347977812).

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

115615500 is a wasteful number, since it uses less digits than its factorization.

115615500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 115615500 is about 10752.4648337021. The cubic root of 115615500 is about 487.1604473109.

The spelling of 115615500 in words is "one hundred fifteen million, six hundred fifteen thousand, five hundred".