115318686 has 64 divisors (see below), whose sum is σ = 270604800. Its totient is φ = 32082816.

The previous prime is 115318681. The next prime is 115318739. The reversal of 115318686 is 686813511.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115318681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428560 + ... + 428828.

It is an arithmetic number, because the mean of its divisors is an integer number (4228200).

Almost surely, 2^115318686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115318686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135302400).

115318686 is an abundant number, since it is smaller than the sum of its proper divisors (155286114).

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

115318686 is a wasteful number, since it uses less digits than its factorization.

115318686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its digits is 34560, while the sum is 39.

The square root of 115318686 is about 10738.6538262484. The cubic root of 115318686 is about 486.7432023455.

It can be divided in two parts, 115 and 318686, that added together give a triangular number (318801 = T₇₉₈).

The spelling of 115318686 in words is "one hundred fifteen million, three hundred eighteen thousand, six hundred eighty-six".