265543635241 has 2 divisors, whose sum is σ = 265543635242. Its totient is φ = 265543635240.

The previous prime is 265543635199. The next prime is 265543635319. The reversal of 265543635241 is 142536345562.

265543635241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180302993641 + 85240641600 = 424621^2 + 291960^2 .

It is a cyclic number.

It is not a de Polignac number, because 265543635241 - 2¹⁵ = 265543602473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265543635191 and 265543635200.

It is not a weakly prime, because it can be changed into another prime (265543615241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132771817620 + 132771817621.

It is an arithmetic number, because the mean of its divisors is an integer number (132771817621).

Almost surely, 2^265543635241 is an apocalyptic number.

It is an amenable number.

265543635241 is a deficient number, since it is larger than the sum of its proper divisors (1).

265543635241 is an equidigital number, since it uses as much as digits as its factorization.

265543635241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592000, while the sum is 46.

The spelling of 265543635241 in words is "two hundred sixty-five billion, five hundred forty-three million, six hundred thirty-five thousand, two hundred forty-one".