111331664244 has 96 divisors (see below), whose sum is σ = 303913881600. Its totient is φ = 35147558880.

The previous prime is 111331664231. The next prime is 111331664251. The reversal of 111331664244 is 442466133111.

111331664244 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 3 + 1 + 6 + 642 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111331664199 and 111331664208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11952349 + ... + 11961659.

It is an arithmetic number, because the mean of its divisors is an integer number (3165769600).

Almost surely, 2^111331664244 is an apocalyptic number.

It is an amenable number.

111331664244 is an abundant number, since it is smaller than the sum of its proper divisors (192582217356).

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

111331664244 is a wasteful number, since it uses less digits than its factorization.

111331664244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15170 (or 15162 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

Adding to 111331664244 its reverse (442466133111), we get a palindrome (553797797355).

The spelling of 111331664244 in words is "one hundred eleven billion, three hundred thirty-one million, six hundred sixty-four thousand, two hundred forty-four".