111344472 has 96 divisors (see below), whose sum is σ = 319438080. Its totient is φ = 34964160.

The previous prime is 111344447. The next prime is 111344533. The reversal of 111344472 is 274443111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117103 + ... + 118049.

It is an arithmetic number, because the mean of its divisors is an integer number (3327480).

Almost surely, 2^111344472 is an apocalyptic number.

111344472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111344472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159719040).

111344472 is an abundant number, since it is smaller than the sum of its proper divisors (208093608).

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

111344472 is a wasteful number, since it uses less digits than its factorization.

111344472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1046 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 111344472 is about 10551.9890068176. The cubic root of 111344472 is about 481.0861860623.

Adding to 111344472 its reverse (274443111), we get a palindrome (385787583).

The spelling of 111344472 in words is "one hundred eleven million, three hundred forty-four thousand, four hundred seventy-two".