11131142203 has 16 divisors (see below), whose sum is σ = 11459543040. Its totient is φ = 10807576416.

The previous prime is 11131142189. The next prime is 11131142257. The reversal of 11131142203 is 30224113111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131142203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131143203) 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 in 15 ways as a sum of consecutive naturals, for example, 2953026 + ... + 2956792.

It is an arithmetic number, because the mean of its divisors is an integer number (716221440).

Almost surely, 2^11131142203 is an apocalyptic number.

11131142203 is a deficient number, since it is larger than the sum of its proper divisors (328400837).

11131142203 is a wasteful number, since it uses less digits than its factorization.

11131142203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11131142203 its reverse (30224113111), we get a palindrome (41355255314).

The spelling of 11131142203 in words is "eleven billion, one hundred thirty-one million, one hundred forty-two thousand, two hundred three".