115915308 has 48 divisors (see below), whose sum is σ = 283153920. Its totient is φ = 36837504.

The previous prime is 115915307. The next prime is 115915309. The reversal of 115915308 is 803519511.

It is an interprime number because it is at equal distance from previous prime (115915307) and next prime (115915309).

It is not an unprimeable number, because it can be changed into a prime (115915307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125673 + ... + 126591.

It is an arithmetic number, because the mean of its divisors is an integer number (5899040).

Almost surely, 2^115915308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115915308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141576960).

115915308 is an abundant number, since it is smaller than the sum of its proper divisors (167238612).

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

115915308 is a wasteful number, since it uses less digits than its factorization.

115915308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 33.

The square root of 115915308 is about 10766.3971689698. The cubic root of 115915308 is about 487.5811767515.

The spelling of 115915308 in words is "one hundred fifteen million, nine hundred fifteen thousand, three hundred eight".