565288643855255 has 4 divisors (see below), whose sum is σ = 678346372626312. Its totient is φ = 452230915084200.

The previous prime is 565288643855171. The next prime is 565288643855297. The reversal of 565288643855255 is 552558346882565.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 565288643855255 - 2⁴⁸ = 283813667144599 is a prime.

It is a super-2 number, since 2×565288643855255² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56528864385521 + ... + 56528864385530.

It is an arithmetic number, because the mean of its divisors is an integer number (169586593156578).

Almost surely, 2^{565288643855255} is an apocalyptic number.

565288643855255 is a deficient number, since it is larger than the sum of its proper divisors (113057728771057).

565288643855255 is a wasteful number, since it uses less digits than its factorization.

565288643855255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113057728771056.

The product of its digits is 13824000000, while the sum is 77.

The spelling of 565288643855255 in words is "five hundred sixty-five trillion, two hundred eighty-eight billion, six hundred forty-three million, eight hundred fifty-five thousand, two hundred fifty-five".