265140255055069 has 2 divisors, whose sum is σ = 265140255055070. Its totient is φ = 265140255055068.

The previous prime is 265140255055051. The next prime is 265140255055163. The reversal of 265140255055069 is 960550552041562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140813584920100 + 124326670134969 = 11866490^2 + 11150187^2 .

It is a cyclic number.

It is not a de Polignac number, because 265140255055069 - 2¹⁷ = 265140254923997 is a prime.

It is a super-2 number, since 2×265140255055069² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265140255055769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132570127527534 + 132570127527535.

It is an arithmetic number, because the mean of its divisors is an integer number (132570127527535).

Almost surely, 2^{265140255055069} is an apocalyptic number.

It is an amenable number.

265140255055069 is a deficient number, since it is larger than the sum of its proper divisors (1).

265140255055069 is an equidigital number, since it uses as much as digits as its factorization.

265140255055069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200000, while the sum is 55.

The spelling of 265140255055069 in words is "two hundred sixty-five trillion, one hundred forty billion, two hundred fifty-five million, fifty-five thousand, sixty-nine".