11003663044 has 36 divisors (see below), whose sum is σ = 21198870000. Its totient is φ = 4993930480.

The previous prime is 11003663039. The next prime is 11003663051. The reversal of 11003663044 is 44036630011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301707 + ... + 336205.

It is an arithmetic number, because the mean of its divisors is an integer number (588857500).

Almost surely, 2^11003663044 is an apocalyptic number.

It is an amenable number.

11003663044 is a deficient number, since it is larger than the sum of its proper divisors (10195206956).

11003663044 is a wasteful number, since it uses less digits than its factorization.

11003663044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35184 (or 35171 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 11003663044 in words is "eleven billion, three million, six hundred sixty-three thousand, forty-four".