26200066282861 has 2 divisors, whose sum is σ = 26200066282862. Its totient is φ = 26200066282860.

The previous prime is 26200066282837. The next prime is 26200066282889. The reversal of 26200066282861 is 16828266000262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18767523622500 + 7432542660361 = 4332150^2 + 2726269^2 .

It is a cyclic number.

It is not a de Polignac number, because 26200066282861 - 2³³ = 26191476348269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26200066282661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13100033141430 + 13100033141431.

It is an arithmetic number, because the mean of its divisors is an integer number (13100033141431).

Almost surely, 2^{26200066282861} is an apocalyptic number.

It is an amenable number.

26200066282861 is a deficient number, since it is larger than the sum of its proper divisors (1).

26200066282861 is an equidigital number, since it uses as much as digits as its factorization.

26200066282861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 26200066282861 in words is "twenty-six trillion, two hundred billion, sixty-six million, two hundred eighty-two thousand, eight hundred sixty-one".