111899040 has 96 divisors (see below), whose sum is σ = 384543936. Its totient is φ = 27125760.

The previous prime is 111899033. The next prime is 111899101. The reversal of 111899040 is 40998111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 111898992 and 111899010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5317 + ... + 15876.

It is an arithmetic number, because the mean of its divisors is an integer number (4005666).

Almost surely, 2^111899040 is an apocalyptic number.

111899040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111899040 is an abundant number, since it is smaller than the sum of its proper divisors (272644896).

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

111899040 is a wasteful number, since it uses less digits than its factorization.

111899040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21222 (or 21214 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 111899040 is about 10578.2342571906. The cubic root of 111899040 is about 481.8835712196.

The spelling of 111899040 in words is "one hundred eleven million, eight hundred ninety-nine thousand, forty".