115816525 has 24 divisors (see below), whose sum is σ = 158097024. Its totient is φ = 83462400.

The previous prime is 115816487. The next prime is 115816537. The reversal of 115816525 is 525618511.

It is not a de Polignac number, because 115816525 - 2⁹ = 115816013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29212 + ... + 32938.

It is an arithmetic number, because the mean of its divisors is an integer number (6587376).

Almost surely, 2^115816525 is an apocalyptic number.

It is an amenable number.

115816525 is a deficient number, since it is larger than the sum of its proper divisors (42280499).

115816525 is a wasteful number, since it uses less digits than its factorization.

115816525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861 (or 3856 counting only the distinct ones).

The product of its digits is 12000, while the sum is 34.

The square root of 115816525 is about 10761.8086305230. The cubic root of 115816525 is about 487.4426318642.

The spelling of 115816525 in words is "one hundred fifteen million, eight hundred sixteen thousand, five hundred twenty-five".