5008513049861 has 2 divisors, whose sum is σ = 5008513049862. Its totient is φ = 5008513049860.

The previous prime is 5008513049857. The next prime is 5008513049899. The reversal of 5008513049861 is 1689403158005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2804683728961 + 2203829320900 = 1674719^2 + 1484530^2 .

It is a cyclic number.

It is not a de Polignac number, because 5008513049861 - 2² = 5008513049857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5008513049801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2504256524930 + 2504256524931.

It is an arithmetic number, because the mean of its divisors is an integer number (2504256524931).

Almost surely, 2^{5008513049861} is an apocalyptic number.

It is an amenable number.

5008513049861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5008513049861 is an equidigital number, since it uses as much as digits as its factorization.

5008513049861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 5008513049861 in words is "five trillion, eight billion, five hundred thirteen million, forty-nine thousand, eight hundred sixty-one".