113165881 has 8 divisors (see below), whose sum is σ = 120901280. Its totient is φ = 105608448.

The previous prime is 113165867. The next prime is 113165887. The reversal of 113165881 is 188561311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113165881 - 2¹⁷ = 113034809 is a prime.

It is a super-2 number, since 2×113165881² = 25613033245012322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113165887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43176 + ... + 45721.

It is an arithmetic number, because the mean of its divisors is an integer number (15112660).

Almost surely, 2^113165881 is an apocalyptic number.

It is an amenable number.

113165881 is a deficient number, since it is larger than the sum of its proper divisors (7735399).

113165881 is an equidigital number, since it uses as much as digits as its factorization.

113165881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88983.

The product of its digits is 5760, while the sum is 34.

The square root of 113165881 is about 10637.9453373290. The cubic root of 113165881 is about 483.6952652808.

The spelling of 113165881 in words is "one hundred thirteen million, one hundred sixty-five thousand, eight hundred eighty-one".