11003113203 has 4 divisors (see below), whose sum is σ = 14670817608. Its totient is φ = 7335408800.

The previous prime is 11003113193. The next prime is 11003113211. The reversal of 11003113203 is 30231130011.

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 11003113203 - 2⁵ = 11003113171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11003113403) 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, 1833852198 + ... + 1833852203.

It is an arithmetic number, because the mean of its divisors is an integer number (3667704402).

Almost surely, 2^11003113203 is an apocalyptic number.

11003113203 is a deficient number, since it is larger than the sum of its proper divisors (3667704405).

11003113203 is an equidigital number, since it uses as much as digits as its factorization.

11003113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667704404.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11003113203 its reverse (30231130011), we get a palindrome (41234243214).

The spelling of 11003113203 in words is "eleven billion, three million, one hundred thirteen thousand, two hundred three".