113644611005 has 16 divisors (see below), whose sum is σ = 137542691520. Its totient is φ = 90139268352.

The previous prime is 113644610977. The next prime is 113644611011. The reversal of 113644611005 is 500116446311.

It is a cyclic number.

It is not a de Polignac number, because 113644611005 - 2²⁴ = 113627833789 is a prime.

It is a super-2 number, since 2×113644611005² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113222 + ... + 490008.

It is an arithmetic number, because the mean of its divisors is an integer number (8596418220).

Almost surely, 2^113644611005 is an apocalyptic number.

It is an amenable number.

113644611005 is a deficient number, since it is larger than the sum of its proper divisors (23898080515).

113644611005 is a wasteful number, since it uses less digits than its factorization.

113644611005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377308.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 113644611005 in words is "one hundred thirteen billion, six hundred forty-four million, six hundred eleven thousand, five".