11143003203 has 12 divisors (see below), whose sum is σ = 16154845408. Its totient is φ = 7401255120.

The previous prime is 11143003159. The next prime is 11143003259. The reversal of 11143003203 is 30230034111.

It is not a de Polignac number, because 11143003203 - 2¹² = 11142999107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143053203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2281900 + ... + 2286777.

Almost surely, 2^11143003203 is an apocalyptic number.

11143003203 is a deficient number, since it is larger than the sum of its proper divisors (5011842205).

11143003203 is a wasteful number, since it uses less digits than its factorization.

11143003203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568954 (or 4568951 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11143003203 its reverse (30230034111), we get a palindrome (41373037314).

The spelling of 11143003203 in words is "eleven billion, one hundred forty-three million, three thousand, two hundred three".