565871138056641 has 16 divisors (see below), whose sum is σ = 768737153980224. Its totient is φ = 370126395073344.

The previous prime is 565871138056607. The next prime is 565871138056669. The reversal of 565871138056641 is 146650831178565.

It is a de Polignac number, because none of the positive numbers 2^k-565871138056641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (565871131056641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3623490 + ... + 33835956.

It is an arithmetic number, because the mean of its divisors is an integer number (48046072123764).

Almost surely, 2^{565871138056641} is an apocalyptic number.

It is an amenable number.

565871138056641 is a deficient number, since it is larger than the sum of its proper divisors (202866015923583).

565871138056641 is a wasteful number, since it uses less digits than its factorization.

565871138056641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30330320.

The product of its (nonzero) digits is 145152000, while the sum is 66.

The spelling of 565871138056641 in words is "five hundred sixty-five trillion, eight hundred seventy-one billion, one hundred thirty-eight million, fifty-six thousand, six hundred forty-one".