113261615 has 4 divisors (see below), whose sum is σ = 135913944. Its totient is φ = 90609288.

The previous prime is 113261609. The next prime is 113261623. The reversal of 113261615 is 516162311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113261615 - 2⁸ = 113261359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11326157 + ... + 11326166.

It is an arithmetic number, because the mean of its divisors is an integer number (33978486).

Almost surely, 2^113261615 is an apocalyptic number.

113261615 is a deficient number, since it is larger than the sum of its proper divisors (22652329).

113261615 is an equidigital number, since it uses as much as digits as its factorization.

113261615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22652328.

The product of its digits is 1080, while the sum is 26.

The square root of 113261615 is about 10642.4440332097. Note that the first 3 decimals coincide. The cubic root of 113261615 is about 483.8316227251.

The spelling of 113261615 in words is "one hundred thirteen million, two hundred sixty-one thousand, six hundred fifteen".