266142311216051 has 2 divisors, whose sum is σ = 266142311216052. Its totient is φ = 266142311216050.

The previous prime is 266142311216029. The next prime is 266142311216071. The reversal of 266142311216051 is 150612113241662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266142311216051 is a prime.

It is not a weakly prime, because it can be changed into another prime (266142311216021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133071155608025 + 133071155608026.

It is an arithmetic number, because the mean of its divisors is an integer number (133071155608026).

Almost surely, 2^{266142311216051} is an apocalyptic number.

266142311216051 is a deficient number, since it is larger than the sum of its proper divisors (1).

266142311216051 is an equidigital number, since it uses as much as digits as its factorization.

266142311216051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 266142311216051 in words is "two hundred sixty-six trillion, one hundred forty-two billion, three hundred eleven million, two hundred sixteen thousand, fifty-one".