11103000003 has 12 divisors (see below), whose sum is σ = 16047593640. Its totient is φ = 7397418336.

The previous prime is 11102999977. The next prime is 11103000023. The reversal of 11103000003 is 30000030111.

11103000003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11103000003 - 2¹⁶ = 11102934467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11103000023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366426 + ... + 395567.

It is an arithmetic number, because the mean of its divisors is an integer number (1337299470).

Almost surely, 2^11103000003 is an apocalyptic number.

11103000003 is a deficient number, since it is larger than the sum of its proper divisors (4944593637).

11103000003 is a wasteful number, since it uses less digits than its factorization.

11103000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763618 (or 763615 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

Adding to 11103000003 its reverse (30000030111), we get a palindrome (41103030114).

The spelling of 11103000003 in words is "eleven billion, one hundred three million, three", and thus it is an aban number.