113512203444 has 12 divisors (see below), whose sum is σ = 264861808064. Its totient is φ = 37837401144.

The previous prime is 113512203421. The next prime is 113512203499. The reversal of 113512203444 is 444302215311.

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

It is a super-2 number, since 2×113512203444² (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 3 ways as a sum of consecutive naturals, for example, 4729675132 + ... + 4729675155.

Almost surely, 2^113512203444 is an apocalyptic number.

It is an amenable number.

113512203444 is an abundant number, since it is smaller than the sum of its proper divisors (151349604620).

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

113512203444 is a wasteful number, since it uses less digits than its factorization.

113512203444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9459350294 (or 9459350292 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 113512203444 its reverse (444302215311), we get a palindrome (557814418755).

The spelling of 113512203444 in words is "one hundred thirteen billion, five hundred twelve million, two hundred three thousand, four hundred forty-four".