265769955361 has 2 divisors, whose sum is σ = 265769955362. Its totient is φ = 265769955360.

The previous prime is 265769955323. The next prime is 265769955383. The reversal of 265769955361 is 163559967562.

265769955361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162021545361 + 103748410000 = 402519^2 + 322100^2 .

It is a cyclic number.

It is not a de Polignac number, because 265769955361 - 2²⁵ = 265736400929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265769955293 and 265769955302.

It is not a weakly prime, because it can be changed into another prime (265769955761) 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, 132884977680 + 132884977681.

It is an arithmetic number, because the mean of its divisors is an integer number (132884977681).

Almost surely, 2^265769955361 is an apocalyptic number.

It is an amenable number.

265769955361 is a deficient number, since it is larger than the sum of its proper divisors (1).

265769955361 is an equidigital number, since it uses as much as digits as its factorization.

265769955361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854000, while the sum is 64.

The spelling of 265769955361 in words is "two hundred sixty-five billion, seven hundred sixty-nine million, nine hundred fifty-five thousand, three hundred sixty-one".