11688205963208 has 16 divisors (see below), whose sum is σ = 21916041636060. Its totient is φ = 5843928193600.

The previous prime is 11688205963201. The next prime is 11688205963211. The reversal of 11688205963208 is 80236950288611.

It can be written as a sum of positive squares in 2 ways, for example, as 11594583426724 + 93622536484 = 3405082^2 + 305978^2 .

It is a super-2 number, since 2×11688205963208² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11688205963201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21564083 + ... + 22099458.

Almost surely, 2^{11688205963208} is an apocalyptic number.

It is an amenable number.

11688205963208 is a deficient number, since it is larger than the sum of its proper divisors (10227835672852).

11688205963208 is a wasteful number, since it uses less digits than its factorization.

11688205963208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43697008 (or 43697004 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 11688205963208 in words is "eleven trillion, six hundred eighty-eight billion, two hundred five million, nine hundred sixty-three thousand, two hundred eight".