113111444111312 has 80 divisors (see below), whose sum is σ = 234494721377280. Its totient is φ = 52756461542400.

The previous prime is 113111444111231. The next prime is 113111444111333. The reversal of 113111444111312 is 213111444111311.

It is a happy number.

It is a super-2 number, since 2×113111444111312² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 26903264 + ... + 30822207.

It is an arithmetic number, because the mean of its divisors is an integer number (2931184017216).

Almost surely, 2^{113111444111312} is an apocalyptic number.

It is an amenable number.

113111444111312 is an abundant number, since it is smaller than the sum of its proper divisors (121383277265968).

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

113111444111312 is a wasteful number, since it uses less digits than its factorization.

113111444111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57725652 (or 57725646 counting only the distinct ones).

The product of its digits is 1152, while the sum is 29.

Adding to 113111444111312 its reverse (213111444111311), we get a palindrome (326222888222623).

Subtracting 113111444111312 from its reverse (213111444111311), we obtain a palindrome (99999999999999).

The spelling of 113111444111312 in words is "one hundred thirteen trillion, one hundred eleven billion, four hundred forty-four million, one hundred eleven thousand, three hundred twelve".