111152160 has 144 divisors (see below), whose sum is σ = 433532736. Its totient is φ = 25403904.

The previous prime is 111152159. The next prime is 111152179. The reversal of 111152160 is 61251111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4567 + ... + 15593.

It is an arithmetic number, because the mean of its divisors is an integer number (3010644).

Almost surely, 2^111152160 is an apocalyptic number.

111152160 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 111152160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216766368).

111152160 is an abundant number, since it is smaller than the sum of its proper divisors (322380576).

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

111152160 is a wasteful number, since it uses less digits than its factorization.

111152160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11055 (or 11044 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The square root of 111152160 is about 10542.8724738564. The cubic root of 111152160 is about 480.8090522224.

The spelling of 111152160 in words is "one hundred eleven million, one hundred fifty-two thousand, one hundred sixty".