266254552352051 has 2 divisors, whose sum is σ = 266254552352052. Its totient is φ = 266254552352050.

The previous prime is 266254552352029. The next prime is 266254552352057. The reversal of 266254552352051 is 150253255452662.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266254552352051 - 2¹⁰ = 266254552351027 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 266254552351984 and 266254552352002.

It is not a weakly prime, because it can be changed into another prime (266254552352057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133127276176025 + 133127276176026.

It is an arithmetic number, because the mean of its divisors is an integer number (133127276176026).

Almost surely, 2^{266254552352051} is an apocalyptic number.

266254552352051 is a deficient number, since it is larger than the sum of its proper divisors (1).

266254552352051 is an equidigital number, since it uses as much as digits as its factorization.

266254552352051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600000, while the sum is 53.

The spelling of 266254552352051 in words is "two hundred sixty-six trillion, two hundred fifty-four billion, five hundred fifty-two million, three hundred fifty-two thousand, fifty-one".