111110985 has 24 divisors (see below), whose sum is σ = 193095240. Its totient is φ = 59104512.

The previous prime is 111110969. The next prime is 111111017. The reversal of 111110985 is 589011111.

It can be written as a sum of positive squares in 4 ways, for example, as 17040384 + 94070601 = 4128^2 + 9699^2 .

It is not a de Polignac number, because 111110985 - 2⁴ = 111110969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15387 + ... + 21423.

It is an arithmetic number, because the mean of its divisors is an integer number (8045635).

Almost surely, 2^111110985 is an apocalyptic number.

111110985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111110985 is a deficient number, since it is larger than the sum of its proper divisors (81984255).

111110985 is a wasteful number, since it uses less digits than its factorization.

111110985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6457 (or 6454 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 27.

The square root of 111110985 is about 10540.9195519177. The cubic root of 111110985 is about 480.7496748854.

The spelling of 111110985 in words is "one hundred eleven million, one hundred ten thousand, nine hundred eighty-five".