265640353154753 has 2 divisors, whose sum is σ = 265640353154754. Its totient is φ = 265640353154752.

The previous prime is 265640353154741. The next prime is 265640353154843. The reversal of 265640353154753 is 357451353046562.

265640353154753 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., 261394911314944 + 4245441839809 = 16167712^2 + 2060447^2 .

It is a cyclic number.

It is not a de Polignac number, because 265640353154753 - 2¹⁰ = 265640353153729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265640353154692 and 265640353154701.

It is not a weakly prime, because it can be changed into another prime (265640353184753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132820176577376 + 132820176577377.

It is an arithmetic number, because the mean of its divisors is an integer number (132820176577377).

Almost surely, 2^{265640353154753} is an apocalyptic number.

It is an amenable number.

265640353154753 is a deficient number, since it is larger than the sum of its proper divisors (1).

265640353154753 is an equidigital number, since it uses as much as digits as its factorization.

265640353154753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080000, while the sum is 59.

The spelling of 265640353154753 in words is "two hundred sixty-five trillion, six hundred forty billion, three hundred fifty-three million, one hundred fifty-four thousand, seven hundred fifty-three".