115110521 has 4 divisors (see below), whose sum is σ = 115132032. Its totient is φ = 115089012.

The previous prime is 115110497. The next prime is 115110539. The reversal of 115110521 is 125011511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 115110521 - 2²² = 110916217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115110521.

It is not an unprimeable number, because it can be changed into a prime (115110421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4256 + ... + 15758.

It is an arithmetic number, because the mean of its divisors is an integer number (28783008).

Almost surely, 2^115110521 is an apocalyptic number.

It is an amenable number.

115110521 is a deficient number, since it is larger than the sum of its proper divisors (21511).

115110521 is a wasteful number, since it uses less digits than its factorization.

115110521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21510.

The product of its (nonzero) digits is 50, while the sum is 17.

The square root of 115110521 is about 10728.9571254619. The cubic root of 115110521 is about 486.4501479979.

The spelling of 115110521 in words is "one hundred fifteen million, one hundred ten thousand, five hundred twenty-one".