11689708608 has 42 divisors (see below), whose sum is σ = 33506440734. Its totient is φ = 3896569344.

The previous prime is 11689708607. The next prime is 11689708661. The reversal of 11689708608 is 80680798611.

It can be written as a sum of positive squares in only one way, i.e., 11627740224 + 61968384 = 107832^2 + 7872^2 .

It is not an unprimeable number, because it can be changed into a prime (11689708601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10146741 + ... + 10147892.

Almost surely, 2^11689708608 is an apocalyptic number.

11689708608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11689708608 is an abundant number, since it is smaller than the sum of its proper divisors (21816732126).

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

11689708608 is a wasteful number, since it uses less digits than its factorization.

11689708608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20294651 (or 20294638 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 11689708608 in words is "eleven billion, six hundred eighty-nine million, seven hundred eight thousand, six hundred eight".