11131444132 has 12 divisors (see below), whose sum is σ = 19680852940. Its totient is φ = 5508343296.

The previous prime is 11131444109. The next prime is 11131444141. The reversal of 11131444132 is 23144413111.

It can be written as a sum of positive squares in 2 ways, for example, as 2935038976 + 8196405156 = 54176^2 + 90534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11131444097 and 11131444106.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14344257 + ... + 14345032.

Almost surely, 2^11131444132 is an apocalyptic number.

It is an amenable number.

11131444132 is a deficient number, since it is larger than the sum of its proper divisors (8549408808).

11131444132 is a wasteful number, since it uses less digits than its factorization.

11131444132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28689390 (or 28689388 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

Adding to 11131444132 its reverse (23144413111), we get a palindrome (34275857243).

The spelling of 11131444132 in words is "eleven billion, one hundred thirty-one million, four hundred forty-four thousand, one hundred thirty-two".