11537687144 has 16 divisors (see below), whose sum is σ = 21634311300. Its totient is φ = 5768537472.

The previous prime is 11537687141. The next prime is 11537687221. The reversal of 11537687144 is 44178673511.

11537687144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11521446244 + 16240900 = 107338^2 + 4030^2 .

It is not an unprimeable number, because it can be changed into a prime (11537687141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247244 + ... + 290180.

Almost surely, 2^11537687144 is an apocalyptic number.

It is an amenable number.

11537687144 is a deficient number, since it is larger than the sum of its proper divisors (10096624156).

11537687144 is a wasteful number, since it uses less digits than its factorization.

11537687144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76532 (or 76528 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The spelling of 11537687144 in words is "eleven billion, five hundred thirty-seven million, six hundred eighty-seven thousand, one hundred forty-four".