111312444 has 48 divisors (see below), whose sum is σ = 271846400. Its totient is φ = 35406720.

The previous prime is 111312427. The next prime is 111312463. The reversal of 111312444 is 444213111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111312444.

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, 25107 + ... + 29205.

Almost surely, 2^111312444 is an apocalyptic number.

It is an amenable number.

111312444 is an abundant number, since it is smaller than the sum of its proper divisors (160533956).

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

111312444 is a wasteful number, since it uses less digits than its factorization.

111312444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210 (or 4208 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 111312444 is about 10550.4712690950. The cubic root of 111312444 is about 481.0400538335.

Adding to 111312444 its reverse (444213111), we get a palindrome (555525555).

The spelling of 111312444 in words is "one hundred eleven million, three hundred twelve thousand, four hundred forty-four".