11103044004 has 48 divisors (see below), whose sum is σ = 30999955840. Its totient is φ = 3416320800.

The previous prime is 11103043999. The next prime is 11103044011. The reversal of 11103044004 is 40044030111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3952672 + ... + 3955479.

Almost surely, 2^11103044004 is an apocalyptic number.

It is an amenable number.

11103044004 is an abundant number, since it is smaller than the sum of its proper divisors (19896911836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11103044004 is a wasteful number, since it uses less digits than its factorization.

11103044004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908177 (or 7908169 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11103044004 its reverse (40044030111), we get a palindrome (51147074115).

The spelling of 11103044004 in words is "eleven billion, one hundred three million, forty-four thousand, four".