11199003203 has 4 divisors (see below), whose sum is σ = 11199424128. Its totient is φ = 11198582280.

The previous prime is 11199003197. The next prime is 11199003217. The reversal of 11199003203 is 30230099111.

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 11199003203 - 2⁴ = 11199003187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11199003223) 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, 167651 + ... + 224732.

It is an arithmetic number, because the mean of its divisors is an integer number (2799856032).

Almost surely, 2^11199003203 is an apocalyptic number.

11199003203 is a deficient number, since it is larger than the sum of its proper divisors (420925).

11199003203 is an equidigital number, since it uses as much as digits as its factorization.

11199003203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420924.

The product of its (nonzero) digits is 1458, while the sum is 29.

The spelling of 11199003203 in words is "eleven billion, one hundred ninety-nine million, three thousand, two hundred three".