565050216091 has 2 divisors, whose sum is σ = 565050216092. Its totient is φ = 565050216090.

The previous prime is 565050216053. The next prime is 565050216103. The reversal of 565050216091 is 190612050565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 565050216091 - 2³¹ = 562902732443 is a prime.

It is not a weakly prime, because it can be changed into another prime (565050216041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282525108045 + 282525108046.

It is an arithmetic number, because the mean of its divisors is an integer number (282525108046).

Almost surely, 2^565050216091 is an apocalyptic number.

565050216091 is a deficient number, since it is larger than the sum of its proper divisors (1).

565050216091 is an equidigital number, since it uses as much as digits as its factorization.

565050216091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 565050216091 in words is "five hundred sixty-five billion, fifty million, two hundred sixteen thousand, ninety-one".