565050215997 has 6 divisors (see below), whose sum is σ = 816183645342. Its totient is φ = 376700143992.

The previous prime is 565050215929. The next prime is 565050216041. The reversal of 565050215997 is 799512050565.

565050215997 is a `hidden beast` number, since 565 + 0 + 5 + 0 + 21 + 59 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 427786634916 + 137263581081 = 654054^2 + 370491^2 .

It is not a de Polignac number, because 565050215997 - 2⁷ = 565050215869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565050215897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31391678658 + ... + 31391678675.

It is an arithmetic number, because the mean of its divisors is an integer number (136030607557).

Almost surely, 2^565050215997 is an apocalyptic number.

It is an amenable number.

565050215997 is a deficient number, since it is larger than the sum of its proper divisors (251133429345).

565050215997 is a wasteful number, since it uses less digits than its factorization.

565050215997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62783357339 (or 62783357336 counting only the distinct ones).

The product of its (nonzero) digits is 4252500, while the sum is 54.

The spelling of 565050215997 in words is "five hundred sixty-five billion, fifty million, two hundred fifteen thousand, nine hundred ninety-seven".