115687516 has 48 divisors (see below), whose sum is σ = 255661056. Its totient is φ = 44630784.

The previous prime is 115687513. The next prime is 115687519. The reversal of 115687516 is 615786511.

It is an interprime number because it is at equal distance from previous prime (115687513) and next prime (115687519).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115687511) 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, 5665 + ... + 16231.

It is an arithmetic number, because the mean of its divisors is an integer number (5326272).

Almost surely, 2^115687516 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 115687516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127830528).

115687516 is an abundant number, since it is smaller than the sum of its proper divisors (139973540).

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

115687516 is a wasteful number, since it uses less digits than its factorization.

115687516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10618 (or 10616 counting only the distinct ones).

The product of its digits is 50400, while the sum is 40.

The square root of 115687516 is about 10755.8131259333. The cubic root of 115687516 is about 487.2615758070.

The spelling of 115687516 in words is "one hundred fifteen million, six hundred eighty-seven thousand, five hundred sixteen".