11003000103 has 12 divisors (see below), whose sum is σ = 15932861568. Its totient is φ = 7317038400.

The previous prime is 11003000087. The next prime is 11003000119. The reversal of 11003000103 is 30100030011.

It is an interprime number because it is at equal distance from previous prime (11003000087) and next prime (11003000119).

It is not a de Polignac number, because 11003000103 - 2⁴ = 11003000087 is a prime.

It is a super-2 number, since 2×11003000103² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003000123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1520775 + ... + 1527992.

It is an arithmetic number, because the mean of its divisors is an integer number (1327738464).

Almost surely, 2^11003000103 is an apocalyptic number.

11003000103 is a deficient number, since it is larger than the sum of its proper divisors (4929861465).

11003000103 is a wasteful number, since it uses less digits than its factorization.

11003000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049174 (or 3049171 counting only the distinct ones).

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

Adding to 11003000103 its reverse (30100030011), we get a palindrome (41103030114).

The spelling of 11003000103 in words is "eleven billion, three million, one hundred three", and thus it is an aban number.