266057051020127 has 2 divisors, whose sum is σ = 266057051020128. Its totient is φ = 266057051020126.

The previous prime is 266057051020001. The next prime is 266057051020129. The reversal of 266057051020127 is 721020150750662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266057051020127 - 2²⁰ = 266057049971551 is a prime.

It is a super-2 number, since 2×266057051020127² (a number of 30 digits) contains 22 as substring.

Together with 266057051020129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266057051020129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133028525510063 + 133028525510064.

It is an arithmetic number, because the mean of its divisors is an integer number (133028525510064).

Almost surely, 2^{266057051020127} is an apocalyptic number.

266057051020127 is a deficient number, since it is larger than the sum of its proper divisors (1).

266057051020127 is an equidigital number, since it uses as much as digits as its factorization.

266057051020127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 266057051020127 in words is "two hundred sixty-six trillion, fifty-seven billion, fifty-one million, twenty thousand, one hundred twenty-seven".