11682171132209 has 2 divisors, whose sum is σ = 11682171132210. Its totient is φ = 11682171132208.

The previous prime is 11682171132089. The next prime is 11682171132259. The reversal of 11682171132209 is 90223117128611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10942963240225 + 739207891984 = 3308015^2 + 859772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11682171132209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11682171132209.

It is not a weakly prime, because it can be changed into another prime (11682171132259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5841085566104 + 5841085566105.

It is an arithmetic number, because the mean of its divisors is an integer number (5841085566105).

Almost surely, 2^{11682171132209} is an apocalyptic number.

It is an amenable number.

11682171132209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11682171132209 is an equidigital number, since it uses as much as digits as its factorization.

11682171132209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 11682171132209 in words is "eleven trillion, six hundred eighty-two billion, one hundred seventy-one million, one hundred thirty-two thousand, two hundred nine".