111404320 has 48 divisors (see below), whose sum is σ = 265015800. Its totient is φ = 44253184.

The previous prime is 111404309. The next prime is 111404347. The reversal of 111404320 is 23404111.

It can be written as a sum of positive squares in 4 ways, for example, as 95179536 + 16224784 = 9756^2 + 4028^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111404294 and 111404303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21504 + ... + 26176.

Almost surely, 2^111404320 is an apocalyptic number.

111404320 is a gapful number since it is divisible by the number (10) 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 111404320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132507900).

111404320 is an abundant number, since it is smaller than the sum of its proper divisors (153611480).

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

111404320 is a wasteful number, since it uses less digits than its factorization.

111404320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837 (or 4829 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 111404320 is about 10554.8244893035. The cubic root of 111404320 is about 481.1723657307.

Adding to 111404320 its reverse (23404111), we get a palindrome (134808431).

The spelling of 111404320 in words is "one hundred eleven million, four hundred four thousand, three hundred twenty".