11799688699712 has 28 divisors (see below), whose sum is σ = 23629823857860. Its totient is φ = 5845717334016.

The previous prime is 11799688699651. The next prime is 11799688699727. The reversal of 11799688699712 is 21799688699711.

It can be written as a sum of positive squares in 2 ways, for example, as 7210427930176 + 4589260769536 = 2685224^2 + 2142256^2 .

It is a super-2 number, since 2×11799688699712² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 845727593 + ... + 845741544.

Almost surely, 2^{11799688699712} is an apocalyptic number.

It is an amenable number.

11799688699712 is an abundant number, since it is smaller than the sum of its proper divisors (11830135158148).

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

11799688699712 is a wasteful number, since it uses less digits than its factorization.

11799688699712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691469258 (or 1691469248 counting only the distinct ones).

The product of its digits is 1481421312, while the sum is 83.

Subtracting 11799688699712 from its reverse (21799688699711), we obtain a palindrome (9999999999999).

The spelling of 11799688699712 in words is "eleven trillion, seven hundred ninety-nine billion, six hundred eighty-eight million, six hundred ninety-nine thousand, seven hundred twelve".