11539372144 has 40 divisors (see below), whose sum is σ = 23548234880. Its totient is φ = 5462769600.

The previous prime is 11539372123. The next prime is 11539372153. The reversal of 11539372144 is 44127393511.

It is a junction number, because it is equal to n+sod(n) for n = 11539372097 and 11539372106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546259 + ... + 566989.

It is an arithmetic number, because the mean of its divisors is an integer number (588705872).

Almost surely, 2^11539372144 is an apocalyptic number.

It is an amenable number.

11539372144 is an abundant number, since it is smaller than the sum of its proper divisors (12008862736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11539372144 is a wasteful number, since it uses less digits than its factorization.

11539372144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22589 (or 22583 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The spelling of 11539372144 in words is "eleven billion, five hundred thirty-nine million, three hundred seventy-two thousand, one hundred forty-four".