11103311003 has 4 divisors (see below), whose sum is σ = 11110095360. Its totient is φ = 11096526648.

The previous prime is 11103310961. The next prime is 11103311033. The reversal of 11103311003 is 30011330111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11103311003 - 2¹⁰ = 11103309979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11103311033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3389723 + ... + 3392996.

It is an arithmetic number, because the mean of its divisors is an integer number (2777523840).

Almost surely, 2^11103311003 is an apocalyptic number.

11103311003 is a deficient number, since it is larger than the sum of its proper divisors (6784357).

11103311003 is an equidigital number, since it uses as much as digits as its factorization.

11103311003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6784356.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 11103311003 its reverse (30011330111), we get a palindrome (41114641114).

The spelling of 11103311003 in words is "eleven billion, one hundred three million, three hundred eleven thousand, three".