115861264 has 40 divisors (see below), whose sum is σ = 237663360. Its totient is φ = 54622848.

The previous prime is 115861253. The next prime is 115861267. The reversal of 115861264 is 462168511.

It is not an unprimeable number, because it can be changed into a prime (115861267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17049 + ... + 22855.

It is an arithmetic number, because the mean of its divisors is an integer number (5941584).

Almost surely, 2^115861264 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 115861264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118831680).

115861264 is an abundant number, since it is smaller than the sum of its proper divisors (121802096).

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

115861264 is a wasteful number, since it uses less digits than its factorization.

115861264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5887 (or 5881 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 115861264 is about 10763.8870302507. The cubic root of 115861264 is about 487.5053888512.

The spelling of 115861264 in words is "one hundred fifteen million, eight hundred sixty-one thousand, two hundred sixty-four".