11131144132 has 12 divisors (see below), whose sum is σ = 19503176896. Its totient is φ = 5558807880.

The previous prime is 11131144127. The next prime is 11131144139. The reversal of 11131144132 is 23144113111.

It is not an unprimeable number, because it can be changed into a prime (11131144139) 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, 1687344 + ... + 1693927.

Almost surely, 2^11131144132 is an apocalyptic number.

It is an amenable number.

11131144132 is a deficient number, since it is larger than the sum of its proper divisors (8372032764).

11131144132 is a wasteful number, since it uses less digits than its factorization.

11131144132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382098 (or 3382096 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

Adding to 11131144132 its reverse (23144113111), we get a palindrome (34275257243).

The spelling of 11131144132 in words is "eleven billion, one hundred thirty-one million, one hundred forty-four thousand, one hundred thirty-two".