565090965601 has 2 divisors, whose sum is σ = 565090965602. Its totient is φ = 565090965600.

The previous prime is 565090965559. The next prime is 565090965617. The reversal of 565090965601 is 106569090565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284890130001 + 280200835600 = 533751^2 + 529340^2 .

It is a cyclic number.

It is not a de Polignac number, because 565090965601 - 2³¹ = 562943481953 is a prime.

It is not a weakly prime, because it can be changed into another prime (565090965661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282545482800 + 282545482801.

It is an arithmetic number, because the mean of its divisors is an integer number (282545482801).

Almost surely, 2^565090965601 is an apocalyptic number.

It is an amenable number.

565090965601 is a deficient number, since it is larger than the sum of its proper divisors (1).

565090965601 is an equidigital number, since it uses as much as digits as its factorization.

565090965601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187000, while the sum is 52.

The spelling of 565090965601 in words is "five hundred sixty-five billion, ninety million, nine hundred sixty-five thousand, six hundred one".