11842668496817 has 2 divisors, whose sum is σ = 11842668496818. Its totient is φ = 11842668496816.

The previous prime is 11842668496793. The next prime is 11842668496843. The reversal of 11842668496817 is 71869486624811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11024365527616 + 818302969201 = 3320296^2 + 904601^2 .

It is a cyclic number.

It is not a de Polignac number, because 11842668496817 - 2²⁸ = 11842400061361 is a prime.

It is not a weakly prime, because it can be changed into another prime (11842668496717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5921334248408 + 5921334248409.

It is an arithmetic number, because the mean of its divisors is an integer number (5921334248409).

Almost surely, 2^{11842668496817} is an apocalyptic number.

It is an amenable number.

11842668496817 is a deficient number, since it is larger than the sum of its proper divisors (1).

11842668496817 is an equidigital number, since it uses as much as digits as its factorization.

11842668496817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222953472, while the sum is 71.

The spelling of 11842668496817 in words is "eleven trillion, eight hundred forty-two billion, six hundred sixty-eight million, four hundred ninety-six thousand, eight hundred seventeen".