111001000985 has 32 divisors (see below), whose sum is σ = 152775072000. Its totient is φ = 75842887680.

The previous prime is 111001000973. The next prime is 111001001021. The reversal of 111001000985 is 589000100111.

It is a de Polignac number, because none of the positive numbers 2^k-111001000985 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12709070 + ... + 12717800.

It is an arithmetic number, because the mean of its divisors is an integer number (4774221000).

Almost surely, 2^111001000985 is an apocalyptic number.

It is an amenable number.

111001000985 is a deficient number, since it is larger than the sum of its proper divisors (41774071015).

111001000985 is an equidigital number, since it uses as much as digits as its factorization.

111001000985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001.

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

The spelling of 111001000985 in words is "one hundred eleven billion, one million, nine hundred eighty-five", and thus it is an aban number.