113664211165 has 8 divisors (see below), whose sum is σ = 136416234240. Its totient is φ = 90918581712.

The previous prime is 113664211093. The next prime is 113664211183. The reversal of 113664211165 is 561112466311.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113664211165 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1559205 + ... + 1630474.

It is an arithmetic number, because the mean of its divisors is an integer number (17052029280).

Almost surely, 2^113664211165 is an apocalyptic number.

It is an amenable number.

113664211165 is a deficient number, since it is larger than the sum of its proper divisors (22752023075).

113664211165 is an equidigital number, since it uses as much as digits as its factorization.

113664211165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196811.

The product of its digits is 25920, while the sum is 37.

Adding to 113664211165 its reverse (561112466311), we get a palindrome (674776677476).

The spelling of 113664211165 in words is "one hundred thirteen billion, six hundred sixty-four million, two hundred eleven thousand, one hundred sixty-five".