11540044132 has 24 divisors (see below), whose sum is σ = 20463215360. Its totient is φ = 5693500800.

The previous prime is 11540044073. The next prime is 11540044133. The reversal of 11540044132 is 23144004511.

It is a junction number, because it is equal to n+sod(n) for n = 11540044097 and 11540044106.

It is not an unprimeable number, because it can be changed into a prime (11540044133) 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 7 ways as a sum of consecutive naturals, for example, 551257 + ... + 571807.

Almost surely, 2^11540044132 is an apocalyptic number.

It is an amenable number.

11540044132 is a deficient number, since it is larger than the sum of its proper divisors (8923171228).

11540044132 is a wasteful number, since it uses less digits than its factorization.

11540044132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22411 (or 22409 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11540044132 its reverse (23144004511), we get a palindrome (34684048643).

The spelling of 11540044132 in words is "eleven billion, five hundred forty million, forty-four thousand, one hundred thirty-two".