10011000985 has 4 divisors (see below), whose sum is σ = 12013201188. Its totient is φ = 8008800784.

The previous prime is 10011000931. The next prime is 10011001003. The reversal of 10011000985 is 58900011001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4992270336 + 5018730649 = 70656^2 + 70843^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011000985 - 2²⁵ = 9977446553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001100094 + ... + 1001100103.

It is an arithmetic number, because the mean of its divisors is an integer number (3003300297).

Almost surely, 2^10011000985 is an apocalyptic number.

It is an amenable number.

10011000985 is a deficient number, since it is larger than the sum of its proper divisors (2002200203).

10011000985 is an equidigital number, since it uses as much as digits as its factorization.

10011000985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002200202.

The product of its (nonzero) digits is 360, while the sum is 25.

Adding to 10011000985 its reverse (58900011001), we get a palindrome (68911011986).

The spelling of 10011000985 in words is "ten billion, eleven million, nine hundred eighty-five", and thus it is an aban number.