11143840124 has 24 divisors (see below), whose sum is σ = 20653358208. Its totient is φ = 5250112560.

The previous prime is 11143840117. The next prime is 11143840181. The reversal of 11143840124 is 42104834111.

It is a happy number.

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, 897782 + ... + 910109.

It is an arithmetic number, because the mean of its divisors is an integer number (860556592).

Almost surely, 2^11143840124 is an apocalyptic number.

It is an amenable number.

11143840124 is a deficient number, since it is larger than the sum of its proper divisors (9509518084).

11143840124 is a wasteful number, since it uses less digits than its factorization.

11143840124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807985 (or 1807983 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The spelling of 11143840124 in words is "eleven billion, one hundred forty-three million, eight hundred forty thousand, one hundred twenty-four".