265640352952141 has 2 divisors, whose sum is σ = 265640352952142. Its totient is φ = 265640352952140.

The previous prime is 265640352952049. The next prime is 265640352952157. The reversal of 265640352952141 is 141259253046562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249941997678916 + 15698355273225 = 15809554^2 + 3962115^2 .

It is a cyclic number.

It is not a de Polignac number, because 265640352952141 - 2¹⁷ = 265640352821069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265640352952181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132820176476070 + 132820176476071.

It is an arithmetic number, because the mean of its divisors is an integer number (132820176476071).

Almost surely, 2^{265640352952141} is an apocalyptic number.

It is an amenable number.

265640352952141 is a deficient number, since it is larger than the sum of its proper divisors (1).

265640352952141 is an equidigital number, since it uses as much as digits as its factorization.

265640352952141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 265640352952141 in words is "two hundred sixty-five trillion, six hundred forty billion, three hundred fifty-two million, nine hundred fifty-two thousand, one hundred forty-one".