115525878 has 32 divisors (see below), whose sum is σ = 249295200. Its totient is φ = 35479296.

The previous prime is 115525873. The next prime is 115525901. The reversal of 115525878 is 878525511.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115525873) 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, 54258 + ... + 56346.

It is an arithmetic number, because the mean of its divisors is an integer number (7790475).

Almost surely, 2^115525878 is an apocalyptic number.

115525878 is an abundant number, since it is smaller than the sum of its proper divisors (133769322).

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

115525878 is a wasteful number, since it uses less digits than its factorization.

115525878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816.

The product of its digits is 112000, while the sum is 42.

The square root of 115525878 is about 10748.2965161927. The cubic root of 115525878 is about 487.0345369157.

It can be divided in two parts, 115525 and 878, that added together give a triangular number (116403 = T₄₈₂).

The spelling of 115525878 in words is "one hundred fifteen million, five hundred twenty-five thousand, eight hundred seventy-eight".