113085681 has 4 divisors (see below), whose sum is σ = 150780912. Its totient is φ = 75390452.

The previous prime is 113085677. The next prime is 113085697. The reversal of 113085681 is 186580311.

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.

It is a cyclic number.

It is not a de Polignac number, because 113085681 - 2² = 113085677 is a prime.

It is a super-2 number, since 2×113085681² = 25576742494467522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113085601) 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, 18847611 + ... + 18847616.

It is an arithmetic number, because the mean of its divisors is an integer number (37695228).

Almost surely, 2^113085681 is an apocalyptic number.

It is an amenable number.

113085681 is a deficient number, since it is larger than the sum of its proper divisors (37695231).

113085681 is an equidigital number, since it uses as much as digits as its factorization.

113085681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37695230.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 113085681 is about 10634.1751443166. The cubic root of 113085681 is about 483.5809742727.

The spelling of 113085681 in words is "one hundred thirteen million, eighty-five thousand, six hundred eighty-one".