11699639984 has 40 divisors (see below), whose sum is σ = 22929292848. Its totient is φ = 5782763520.

The previous prime is 11699639947. The next prime is 11699640047. The reversal of 11699639984 is 48993699611.

It is a happy number.

11699639984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11699639984.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 517199 + ... + 539345.

Almost surely, 2^11699639984 is an apocalyptic number.

It is an amenable number.

11699639984 is a deficient number, since it is larger than the sum of its proper divisors (11229652864).

11699639984 is a wasteful number, since it uses less digits than its factorization.

11699639984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22533 (or 22527 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 65.

The spelling of 11699639984 in words is "eleven billion, six hundred ninety-nine million, six hundred thirty-nine thousand, nine hundred eighty-four".