266057051022247 has 2 divisors, whose sum is σ = 266057051022248. Its totient is φ = 266057051022246.

The previous prime is 266057051022053. The next prime is 266057051022253. The reversal of 266057051022247 is 742220150750662.

266057051022247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266057051022247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266057051022247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266057051020247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133028525511123 + 133028525511124.

It is an arithmetic number, because the mean of its divisors is an integer number (133028525511124).

Almost surely, 2^{266057051022247} is an apocalyptic number.

266057051022247 is a deficient number, since it is larger than the sum of its proper divisors (1).

266057051022247 is an equidigital number, since it uses as much as digits as its factorization.

266057051022247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 266057051022247 in words is "two hundred sixty-six trillion, fifty-seven billion, fifty-one million, twenty-two thousand, two hundred forty-seven".