111149808 has 320 divisors, whose sum is σ = 398545920. Its totient is φ = 25804800.

The previous prime is 111149771. The next prime is 111149879. The reversal of 111149808 is 808941111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1822098 + ... + 1822158.

It is an arithmetic number, because the mean of its divisors is an integer number (1245456).

Almost surely, 2^111149808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111149808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199272960).

111149808 is an abundant number, since it is smaller than the sum of its proper divisors (287396112).

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

111149808 is a wasteful number, since it uses less digits than its factorization.

111149808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 33.

The square root of 111149808 is about 10542.7609287131. The cubic root of 111149808 is about 480.8056608627.

The spelling of 111149808 in words is "one hundred eleven million, one hundred forty-nine thousand, eight hundred eight".