111159960 has 64 divisors (see below), whose sum is σ = 335772000. Its totient is φ = 29438976.

The previous prime is 111159913. The next prime is 111159967. The reversal of 111159960 is 69951111.

It is a super-3 number, since 3×111159960³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111159967) 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, 14772 + ... + 20988.

Almost surely, 2^111159960 is an apocalyptic number.

111159960 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 111159960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167886000).

111159960 is an abundant number, since it is smaller than the sum of its proper divisors (224612040).

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

111159960 is a wasteful number, since it uses less digits than its factorization.

111159960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380 (or 6376 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 33.

The square root of 111159960 is about 10543.2423855283. The cubic root of 111159960 is about 480.8202987361.

The spelling of 111159960 in words is "one hundred eleven million, one hundred fifty-nine thousand, nine hundred sixty".