11538739684 has 12 divisors (see below), whose sum is σ = 20448400000. Its totient is φ = 5696339688.

The previous prime is 11538739651. The next prime is 11538739703. The reversal of 11538739684 is 48693783511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18257184 + ... + 18257815.

Almost surely, 2^11538739684 is an apocalyptic number.

It is an amenable number.

11538739684 is a deficient number, since it is larger than the sum of its proper divisors (8909660316).

11538739684 is a wasteful number, since it uses less digits than its factorization.

11538739684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36515082 (or 36515080 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 11538739684 in words is "eleven billion, five hundred thirty-eight million, seven hundred thirty-nine thousand, six hundred eighty-four".