111150 has 72 divisors (see below), whose sum is σ = 338520. Its totient is φ = 25920.

The previous prime is 111149. The next prime is 111187. The reversal of 111150 is 51111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5841 + ... + 5859.

2¹¹¹¹⁵⁰ is an apocalyptic number.

111150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169260).

111150 is an abundant number, since it is smaller than the sum of its proper divisors (227370).

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

111150 is a wasteful number, since it uses less digits than its factorization.

111150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

The square root of 111150 is about 333.3916615634. The cubic root of 111150 is about 48.0805937710.

Adding to 111150 its reverse (51111), we get a palindrome (162261).

The spelling of 111150 in words is "one hundred eleven thousand, one hundred fifty".