865075463611 has 2 divisors, whose sum is σ = 865075463612. Its totient is φ = 865075463610.

The previous prime is 865075463599. The next prime is 865075463633. The reversal of 865075463611 is 116364570568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 865075463611 - 2²¹ = 865073366459 is a prime.

It is not a weakly prime, because it can be changed into another prime (865075463671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432537731805 + 432537731806.

It is an arithmetic number, because the mean of its divisors is an integer number (432537731806).

Almost surely, 2^865075463611 is an apocalyptic number.

865075463611 is a deficient number, since it is larger than the sum of its proper divisors (1).

865075463611 is an equidigital number, since it uses as much as digits as its factorization.

865075463611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 865075463611 in words is "eight hundred sixty-five billion, seventy-five million, four hundred sixty-three thousand, six hundred eleven".