11139124468 has 12 divisors (see below), whose sum is σ = 19507176640. Its totient is φ = 5565645432.

The previous prime is 11139124397. The next prime is 11139124487. The reversal of 11139124468 is 86442193111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11139124468.

It is a congruent number.

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, 972798 + ... + 984181.

Almost surely, 2^11139124468 is an apocalyptic number.

It is an amenable number.

11139124468 is a deficient number, since it is larger than the sum of its proper divisors (8368052172).

11139124468 is a wasteful number, since it uses less digits than its factorization.

11139124468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958406 (or 1958404 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The spelling of 11139124468 in words is "eleven billion, one hundred thirty-nine million, one hundred twenty-four thousand, four hundred sixty-eight".