111150985 has 16 divisors (see below), whose sum is σ = 147977280. Its totient is φ = 79464640.

The previous prime is 111150979. The next prime is 111150989. The reversal of 111150985 is 589051111.

It is not a de Polignac number, because 111150985 - 2¹⁹ = 110626697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111150989) 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, 13882 + ... + 20371.

It is an arithmetic number, because the mean of its divisors is an integer number (9248580).

Almost surely, 2^111150985 is an apocalyptic number.

It is an amenable number.

111150985 is a deficient number, since it is larger than the sum of its proper divisors (36826295).

111150985 is a wasteful number, since it uses less digits than its factorization.

111150985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34328.

The product of its (nonzero) digits is 1800, while the sum is 31.

The square root of 111150985 is about 10542.8167488580. The cubic root of 111150985 is about 480.8073579904.

The spelling of 111150985 in words is "one hundred eleven million, one hundred fifty thousand, nine hundred eighty-five".