1111000985 has 8 divisors (see below), whose sum is σ = 1365718536. Its totient is φ = 867122560.

The previous prime is 1111000967. The next prime is 1111000997. The reversal of 1111000985 is 5890001111.

It can be written as a sum of positive squares in 4 ways, for example, as 16516096 + 1094484889 = 4064^2 + 33083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111000985 - 2¹⁰ = 1110999961 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2709554 + ... + 2709963.

It is an arithmetic number, because the mean of its divisors is an integer number (170714817).

Almost surely, 2^1111000985 is an apocalyptic number.

It is an amenable number.

1111000985 is a deficient number, since it is larger than the sum of its proper divisors (254717551).

1111000985 is an equidigital number, since it uses as much as digits as its factorization.

1111000985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419563.

The product of its (nonzero) digits is 360, while the sum is 26.

The square root of 1111000985 is about 33331.6814007334. The cubic root of 1111000985 is about 1035.7099487775.

The spelling of 1111000985 in words is "one billion, one hundred eleven million, nine hundred eighty-five", and thus it is an aban number.