11426261372597 has 2 divisors, whose sum is σ = 11426261372598. Its totient is φ = 11426261372596.

The previous prime is 11426261372579. The next prime is 11426261372641. The reversal of 11426261372597 is 79527316262411.

Together with previous prime (11426261372579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6642238180516 + 4784023192081 = 2577254^2 + 2187241^2 .

It is a cyclic number.

It is not a de Polignac number, because 11426261372597 - 2²⁸ = 11425992937141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11426261372507) 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, 5713130686298 + 5713130686299.

It is an arithmetic number, because the mean of its divisors is an integer number (5713130686299).

Almost surely, 2^{11426261372597} is an apocalyptic number.

It is an amenable number.

11426261372597 is a deficient number, since it is larger than the sum of its proper divisors (1).

11426261372597 is an equidigital number, since it uses as much as digits as its factorization.

11426261372597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The spelling of 11426261372597 in words is "eleven trillion, four hundred twenty-six billion, two hundred sixty-one million, three hundred seventy-two thousand, five hundred ninety-seven".