111404016 has 60 divisors (see below), whose sum is σ = 314107872. Its totient is φ = 36857088.

The previous prime is 111403979. The next prime is 111404021. The reversal of 111404016 is 610404111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 111404016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16905 + ... + 22551.

Almost surely, 2^111404016 is an apocalyptic number.

111404016 is a gapful number since it is divisible by the number (16) 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 111404016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157053936).

111404016 is an abundant number, since it is smaller than the sum of its proper divisors (202703856).

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

111404016 is a wasteful number, since it uses less digits than its factorization.

111404016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798 (or 5789 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 111404016 is about 10554.8100882962. The cubic root of 111404016 is about 481.1719280560.

Adding to 111404016 its reverse (610404111), we get a palindrome (721808127).

The spelling of 111404016 in words is "one hundred eleven million, four hundred four thousand, sixteen".