113564421213 has 16 divisors (see below), whose sum is σ = 159631575936. Its totient is φ = 71671311360.

The previous prime is 113564421209. The next prime is 113564421239. The reversal of 113564421213 is 312124465311.

It is not a de Polignac number, because 113564421213 - 2² = 113564421209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113564421263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8477128 + ... + 8490513.

It is an arithmetic number, because the mean of its divisors is an integer number (9976973496).

Almost surely, 2^113564421213 is an apocalyptic number.

It is an amenable number.

113564421213 is a deficient number, since it is larger than the sum of its proper divisors (46067154723).

113564421213 is a wasteful number, since it uses less digits than its factorization.

113564421213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16967764.

The product of its digits is 17280, while the sum is 33.

Adding to 113564421213 its reverse (312124465311), we get a palindrome (425688886524).

The spelling of 113564421213 in words is "one hundred thirteen billion, five hundred sixty-four million, four hundred twenty-one thousand, two hundred thirteen".