11045003103 has 20 divisors (see below), whose sum is σ = 16521741720. Its totient is φ = 7353331632.

The previous prime is 11045003083. The next prime is 11045003111. The reversal of 11045003103 is 30130054011.

11045003103 is a `hidden beast` number, since 110 + 450 + 0 + 3 + 103 = 666.

It is not a de Polignac number, because 11045003103 - 2²⁰ = 11043954527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045003303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32400 + ... + 152117.

It is an arithmetic number, because the mean of its divisors is an integer number (826087086).

Almost surely, 2^11045003103 is an apocalyptic number.

11045003103 is a deficient number, since it is larger than the sum of its proper divisors (5476738617).

11045003103 is an equidigital number, since it uses as much as digits as its factorization.

11045003103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185268 (or 185259 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 11045003103 its reverse (30130054011), we get a palindrome (41175057114).

The spelling of 11045003103 in words is "eleven billion, forty-five million, three thousand, one hundred three".