111840960 has 448 divisors, whose sum is σ = 474024960. Its totient is φ = 21626880.

The previous prime is 111840947. The next prime is 111840997. The reversal of 111840960 is 69048111.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1256596 + ... + 1256684.

Almost surely, 2^111840960 is an apocalyptic number.

111840960 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 111840960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237012480).

111840960 is an abundant number, since it is smaller than the sum of its proper divisors (362184000).

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

111840960 is a wasteful number, since it uses less digits than its factorization.

111840960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 111840960 is about 10575.4886411929. The cubic root of 111840960 is about 481.8001846196.

The spelling of 111840960 in words is "one hundred eleven million, eight hundred forty thousand, nine hundred sixty".