11203113143 has 2 divisors, whose sum is σ = 11203113144. Its totient is φ = 11203113142.

The previous prime is 11203113139. The next prime is 11203113197. The reversal of 11203113143 is 34131130211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11203113143 - 2² = 11203113139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11203113443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601556571 + 5601556572.

It is an arithmetic number, because the mean of its divisors is an integer number (5601556572).

Almost surely, 2^11203113143 is an apocalyptic number.

11203113143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203113143 is an equidigital number, since it uses as much as digits as its factorization.

11203113143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11203113143 its reverse (34131130211), we get a palindrome (45334243354).

The spelling of 11203113143 in words is "eleven billion, two hundred three million, one hundred thirteen thousand, one hundred forty-three".