111000985 has 16 divisors (see below), whose sum is σ = 134652672.
Its totient is φ = 87840000.
The previous prime is 111000961. The next prime is 111001001. The reversal of 111000985 is 589000111.
It is not a de Polignac number, because 111000985 - 29 = 111000473 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302272 + ... + 302638.
It is an arithmetic number, because the mean of its divisors is an integer number (8415792).
Almost surely, 2111000985 is an apocalyptic number.
It is an amenable number.
111000985 is a deficient number, since it is larger than the sum of its proper divisors (23651687).
111000985 is a wasteful number, since it uses less digits than its factorization.
111000985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 864.
The product of its (nonzero) digits is 360, while the sum is 25.
The square root of 111000985 is about 10535.7004987803.
The cubic root of 111000985 is about 480.5909749300.
The spelling of 111000985 in words is "one hundred eleven million, nine hundred eighty-five", and thus it is an aban number.