11001000985 has 64 divisors (see below), whose sum is σ = 15280054272. Its totient is φ = 7531646976.

The previous prime is 11001000953. The next prime is 11001001003. The reversal of 11001000985 is 58900010011.

It is a cyclic number.

It is not a de Polignac number, because 11001000985 - 2⁵ = 11001000953 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 (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38872654 + ... + 38872936.

It is an arithmetic number, because the mean of its divisors is an integer number (238750848).

Almost surely, 2^11001000985 is an apocalyptic number.

It is an amenable number.

11001000985 is a deficient number, since it is larger than the sum of its proper divisors (4279053287).

11001000985 is a wasteful number, since it uses less digits than its factorization.

11001000985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

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

Adding to 11001000985 its reverse (58900010011), we get a palindrome (69901010996).

The spelling of 11001000985 in words is "eleven billion, one million, nine hundred eighty-five", and thus it is an aban number.