11999210688 has 84 divisors (see below), whose sum is σ = 34780164120. Its totient is φ = 3954779136.

The previous prime is 11999210669. The next prime is 11999210689. The reversal of 11999210688 is 88601299911.

It is not an unprimeable number, because it can be changed into a prime (11999210689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65770 + ... + 168297.

Almost surely, 2^11999210688 is an apocalyptic number.

11999210688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11999210688 is an abundant number, since it is smaller than the sum of its proper divisors (22780953432).

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

11999210688 is a wasteful number, since it uses less digits than its factorization.

11999210688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234174 (or 234161 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 54.

The spelling of 11999210688 in words is "eleven billion, nine hundred ninety-nine million, two hundred ten thousand, six hundred eighty-eight".