8010894005861 has 2 divisors, whose sum is σ = 8010894005862. Its totient is φ = 8010894005860.

The previous prime is 8010894005819. The next prime is 8010894005867. The reversal of 8010894005861 is 1685004980108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7988452168225 + 22441837636 = 2826385^2 + 149806^2 .

It is a cyclic number.

It is not a de Polignac number, because 8010894005861 - 2¹⁴ = 8010893989477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8010894005867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4005447002930 + 4005447002931.

It is an arithmetic number, because the mean of its divisors is an integer number (4005447002931).

Almost surely, 2^{8010894005861} is an apocalyptic number.

It is an amenable number.

8010894005861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8010894005861 is an equidigital number, since it uses as much as digits as its factorization.

8010894005861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 50.

Adding to 8010894005861 its reverse (1685004980108), we get a palindrome (9695898985969).

The spelling of 8010894005861 in words is "eight trillion, ten billion, eight hundred ninety-four million, five thousand, eight hundred sixty-one".