265204142055263 has 2 divisors, whose sum is σ = 265204142055264. Its totient is φ = 265204142055262.

The previous prime is 265204142055173. The next prime is 265204142055311. The reversal of 265204142055263 is 362550241402562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265204142055263 - 2¹⁸ = 265204141793119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265204142054263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132602071027631 + 132602071027632.

It is an arithmetic number, because the mean of its divisors is an integer number (132602071027632).

Almost surely, 2^{265204142055263} is an apocalyptic number.

265204142055263 is a deficient number, since it is larger than the sum of its proper divisors (1).

265204142055263 is an equidigital number, since it uses as much as digits as its factorization.

265204142055263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 265204142055263 in words is "two hundred sixty-five trillion, two hundred four billion, one hundred forty-two million, fifty-five thousand, two hundred sixty-three".