113164505203 has 16 divisors (see below), whose sum is σ = 117897891552. Its totient is φ = 108527328000.

The previous prime is 113164505137. The next prime is 113164505213. The reversal of 113164505203 is 302505461311.

It is not a de Polignac number, because 113164505203 - 2¹⁷ = 113164374131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113164505213) 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, 4296093 + ... + 4322353.

It is an arithmetic number, because the mean of its divisors is an integer number (7368618222).

Almost surely, 2^113164505203 is an apocalyptic number.

113164505203 is a deficient number, since it is larger than the sum of its proper divisors (4733386349).

113164505203 is a wasteful number, since it uses less digits than its factorization.

113164505203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28086.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 113164505203 its reverse (302505461311), we get a palindrome (415669966514).

The spelling of 113164505203 in words is "one hundred thirteen billion, one hundred sixty-four million, five hundred five thousand, two hundred three".