11143031204 has 24 divisors (see below), whose sum is σ = 19817279328. Its totient is φ = 5481509760.

The previous prime is 11143031203. The next prime is 11143031227. The reversal of 11143031204 is 40213034111.

It is not an unprimeable number, because it can be changed into a prime (11143031203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10379 + ... + 149645.

It is an arithmetic number, because the mean of its divisors is an integer number (825719972).

Almost surely, 2^11143031204 is an apocalyptic number.

It is an amenable number.

11143031204 is a deficient number, since it is larger than the sum of its proper divisors (8674248124).

11143031204 is a wasteful number, since it uses less digits than its factorization.

11143031204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139595 (or 139593 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11143031204 its reverse (40213034111), we get a palindrome (51356065315).

The spelling of 11143031204 in words is "eleven billion, one hundred forty-three million, thirty-one thousand, two hundred four".