265520302561013 has 2 divisors, whose sum is σ = 265520302561014. Its totient is φ = 265520302561012.

The previous prime is 265520302560967. The next prime is 265520302561039. The reversal of 265520302561013 is 310165203025562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265440277506244 + 80025054769 = 16292338^2 + 282887^2 .

It is a cyclic number.

It is not a de Polignac number, because 265520302561013 - 2¹² = 265520302556917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265520302521013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132760151280506 + 132760151280507.

It is an arithmetic number, because the mean of its divisors is an integer number (132760151280507).

Almost surely, 2^{265520302561013} is an apocalyptic number.

It is an amenable number.

265520302561013 is a deficient number, since it is larger than the sum of its proper divisors (1).

265520302561013 is an equidigital number, since it uses as much as digits as its factorization.

265520302561013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 41.

Adding to 265520302561013 its reverse (310165203025562), we get a palindrome (575685505586575).

The spelling of 265520302561013 in words is "two hundred sixty-five trillion, five hundred twenty billion, three hundred two million, five hundred sixty-one thousand, thirteen".