5001586544861 has 2 divisors, whose sum is σ = 5001586544862. Its totient is φ = 5001586544860.

The previous prime is 5001586544789. The next prime is 5001586544869. The reversal of 5001586544861 is 1684456851005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4939039536025 + 62547008836 = 2222395^2 + 250094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5001586544861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5001586544869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500793272430 + 2500793272431.

It is an arithmetic number, because the mean of its divisors is an integer number (2500793272431).

Almost surely, 2^{5001586544861} is an apocalyptic number.

It is an amenable number.

5001586544861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5001586544861 is an equidigital number, since it uses as much as digits as its factorization.

5001586544861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608000, while the sum is 53.

The spelling of 5001586544861 in words is "five trillion, one billion, five hundred eighty-six million, five hundred forty-four thousand, eight hundred sixty-one".