266513028107 has 2 divisors, whose sum is σ = 266513028108. Its totient is φ = 266513028106.

The previous prime is 266513028059. The next prime is 266513028163. The reversal of 266513028107 is 701820315662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266513028107 - 2²⁸ = 266244592651 is a prime.

It is not a weakly prime, because it can be changed into another prime (266513028307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133256514053 + 133256514054.

It is an arithmetic number, because the mean of its divisors is an integer number (133256514054).

Almost surely, 2^266513028107 is an apocalyptic number.

266513028107 is a deficient number, since it is larger than the sum of its proper divisors (1).

266513028107 is an equidigital number, since it uses as much as digits as its factorization.

266513028107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 266513028107 in words is "two hundred sixty-six billion, five hundred thirteen million, twenty-eight thousand, one hundred seven".