115261615 has 32 divisors (see below), whose sum is σ = 168182784. Its totient is φ = 74027520.

The previous prime is 115261609. The next prime is 115261637. The reversal of 115261615 is 516162511.

It is a happy number.

It is not a de Polignac number, because 115261615 - 2³ = 115261607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182350 + ... + 182980.

It is an arithmetic number, because the mean of its divisors is an integer number (5255712).

Almost surely, 2^115261615 is an apocalyptic number.

115261615 is a deficient number, since it is larger than the sum of its proper divisors (52921169).

115261615 is a wasteful number, since it uses less digits than its factorization.

115261615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its digits is 1800, while the sum is 28.

The square root of 115261615 is about 10735.9962276446. The cubic root of 115261615 is about 486.6628929984.

The spelling of 115261615 in words is "one hundred fifteen million, two hundred sixty-one thousand, six hundred fifteen".