26250122126057 has 2 divisors, whose sum is σ = 26250122126058. Its totient is φ = 26250122126056.

The previous prime is 26250122126029. The next prime is 26250122126071. The reversal of 26250122126057 is 75062122105262.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25423266538201 + 826855587856 = 5042149^2 + 909316^2 .

It is a cyclic number.

It is not a de Polignac number, because 26250122126057 - 2¹⁰ = 26250122125033 is a prime.

It is not a weakly prime, because it can be changed into another prime (26250122126857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13125061063028 + 13125061063029.

It is an arithmetic number, because the mean of its divisors is an integer number (13125061063029).

Almost surely, 2^{26250122126057} is an apocalyptic number.

It is an amenable number.

26250122126057 is a deficient number, since it is larger than the sum of its proper divisors (1).

26250122126057 is an equidigital number, since it uses as much as digits as its factorization.

26250122126057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 26250122126057 in words is "twenty-six trillion, two hundred fifty billion, one hundred twenty-two million, one hundred twenty-six thousand, fifty-seven".