11044162985 has 4 divisors (see below), whose sum is σ = 13252995588. Its totient is φ = 8835330384.

The previous prime is 11044162939. The next prime is 11044163057. The reversal of 11044162985 is 58926144011.

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 7126905241 + 3917257744 = 84421^2 + 62588^2 .

It is a cyclic number.

It is not a de Polignac number, because 11044162985 - 2⁸ = 11044162729 is a prime.

It is a super-2 number, since 2×11044162985² (a number of 21 digits) contains 22 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, 1104416294 + ... + 1104416303.

It is an arithmetic number, because the mean of its divisors is an integer number (3313248897).

Almost surely, 2^11044162985 is an apocalyptic number.

It is an amenable number.

11044162985 is a deficient number, since it is larger than the sum of its proper divisors (2208832603).

11044162985 is an equidigital number, since it uses as much as digits as its factorization.

11044162985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208832602.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 11044162985 in words is "eleven billion, forty-four million, one hundred sixty-two thousand, nine hundred eighty-five".