113645611 has 4 divisors (see below), whose sum is σ = 116717152. Its totient is φ = 110574072.

The previous prime is 113645579. The next prime is 113645627. The reversal of 113645611 is 116546311.

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 113645611 - 2⁵ = 113645579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113645611.

It is not an unprimeable number, because it can be changed into a prime (113645641) 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, 1535715 + ... + 1535788.

It is an arithmetic number, because the mean of its divisors is an integer number (29179288).

Almost surely, 2^113645611 is an apocalyptic number.

113645611 is a deficient number, since it is larger than the sum of its proper divisors (3071541).

113645611 is an equidigital number, since it uses as much as digits as its factorization.

113645611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071540.

The product of its digits is 2160, while the sum is 28.

The square root of 113645611 is about 10660.4695487582. The cubic root of 113645611 is about 484.3777914012.

The spelling of 113645611 in words is "one hundred thirteen million, six hundred forty-five thousand, six hundred eleven".