115520075 has 12 divisors (see below), whose sum is σ = 156267528. Its totient is φ = 84014400.

The previous prime is 115520051. The next prime is 115520143. The reversal of 115520075 is 570025511.

It is a happy number.

It is not a de Polignac number, because 115520075 - 2⁶ = 115520011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209762 + ... + 210311.

It is an arithmetic number, because the mean of its divisors is an integer number (13022294).

Almost surely, 2^115520075 is an apocalyptic number.

115520075 is a deficient number, since it is larger than the sum of its proper divisors (40747453).

115520075 is a wasteful number, since it uses less digits than its factorization.

115520075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420094 (or 420089 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 115520075 is about 10748.0265630487. The cubic root of 115520075 is about 487.0263820076.

Adding to 115520075 its reverse (570025511), we get a palindrome (685545586).

The spelling of 115520075 in words is "one hundred fifteen million, five hundred twenty thousand, seventy-five".