113565222156 has 12 divisors (see below), whose sum is σ = 264985518392. Its totient is φ = 37855074048.

The previous prime is 113565222137. The next prime is 113565222157. The reversal of 113565222156 is 651222565311.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (113565222157) 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, 4731884245 + ... + 4731884268.

Almost surely, 2^113565222156 is an apocalyptic number.

It is an amenable number.

113565222156 is an abundant number, since it is smaller than the sum of its proper divisors (151420296236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113565222156 is a wasteful number, since it uses less digits than its factorization.

113565222156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9463768520 (or 9463768518 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

Adding to 113565222156 its reverse (651222565311), we get a palindrome (764787787467).

The spelling of 113565222156 in words is "one hundred thirteen billion, five hundred sixty-five million, two hundred twenty-two thousand, one hundred fifty-six".