11003144 has 32 divisors (see below), whose sum is σ = 21258720. Its totient is φ = 5337216.

The previous prime is 11003137. The next prime is 11003173. The reversal of 11003144 is 44130011.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48359 + ... + 48585.

It is an arithmetic number, because the mean of its divisors is an integer number (664335).

Almost surely, 2^11003144 is an apocalyptic number.

It is an amenable number.

11003144 is a deficient number, since it is larger than the sum of its proper divisors (10255576).

11003144 is a wasteful number, since it uses less digits than its factorization.

11003144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11003144 is about 3317.0987323262. The cubic root of 11003144 is about 222.4191955034.

Adding to 11003144 its reverse (44130011), we get a palindrome (55133155).

The spelling of 11003144 in words is "eleven million, three thousand, one hundred forty-four".