26543015164129 has 2 divisors, whose sum is σ = 26543015164130. Its totient is φ = 26543015164128.

The previous prime is 26543015164091. The next prime is 26543015164151. The reversal of 26543015164129 is 92146151034562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17448598831104 + 9094416333025 = 4177152^2 + 3015695^2 .

It is a cyclic number.

It is not a de Polignac number, because 26543015164129 - 2²³ = 26543006775521 is a prime.

It is not a weakly prime, because it can be changed into another prime (26543015164199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13271507582064 + 13271507582065.

It is an arithmetic number, because the mean of its divisors is an integer number (13271507582065).

Almost surely, 2^{26543015164129} is an apocalyptic number.

It is an amenable number.

26543015164129 is a deficient number, since it is larger than the sum of its proper divisors (1).

26543015164129 is an equidigital number, since it uses as much as digits as its factorization.

26543015164129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 26543015164129 in words is "twenty-six trillion, five hundred forty-three billion, fifteen million, one hundred sixty-four thousand, one hundred twenty-nine".