11011000985 has 4 divisors (see below), whose sum is σ = 13213201188. Its totient is φ = 8808800784.

The previous prime is 11011000969. The next prime is 11011001059. The reversal of 11011000985 is 58900011011.

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 5810860441 + 5200140544 = 76229^2 + 72112^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011000985 - 2⁴ = 11011000969 is a prime.

It is a super-3 number, since 3×11011000985³ (a number of 31 digits) contains 333 as substring.

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, 1101100094 + ... + 1101100103.

It is an arithmetic number, because the mean of its divisors is an integer number (3303300297).

Almost surely, 2^11011000985 is an apocalyptic number.

It is an amenable number.

11011000985 is a deficient number, since it is larger than the sum of its proper divisors (2202200203).

11011000985 is an equidigital number, since it uses as much as digits as its factorization.

11011000985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202200202.

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

Adding to 11011000985 its reverse (58900011011), we get a palindrome (69911011996).

The spelling of 11011000985 in words is "eleven billion, eleven million, nine hundred eighty-five", and thus it is an aban number.