111919104 has 240 divisors, whose sum is σ = 377475840. Its totient is φ = 32440320.

The previous prime is 111919103. The next prime is 111919121. The reversal of 111919104 is 401919111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111919103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4866037 + ... + 4866059.

It is an arithmetic number, because the mean of its divisors is an integer number (1572816).

Almost surely, 2^111919104 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 111919104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188737920).

111919104 is an abundant number, since it is smaller than the sum of its proper divisors (265556736).

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

111919104 is an equidigital number, since it uses as much as digits as its factorization.

111919104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The square root of 111919104 is about 10579.1825771181. The cubic root of 111919104 is about 481.9123707940.

The spelling of 111919104 in words is "one hundred eleven million, nine hundred nineteen thousand, one hundred four".