5010116561 has 2 divisors, whose sum is σ = 5010116562. Its totient is φ = 5010116560.

The previous prime is 5010116557. The next prime is 5010116591. The reversal of 5010116561 is 1656110105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4389857536 + 620259025 = 66256^2 + 24905^2 .

It is a cyclic number.

It is not a de Polignac number, because 5010116561 - 2² = 5010116557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5010116561.

It is not a weakly prime, because it can be changed into another prime (5010116591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505058280 + 2505058281.

It is an arithmetic number, because the mean of its divisors is an integer number (2505058281).

Almost surely, 2^5010116561 is an apocalyptic number.

It is an amenable number.

5010116561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5010116561 is an equidigital number, since it uses as much as digits as its factorization.

5010116561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 5010116561 is about 70782.1768597152. The cubic root of 5010116561 is about 1711.1284414718.

Adding to 5010116561 its reverse (1656110105), we get a palindrome (6666226666).

The spelling of 5010116561 in words is "five billion, ten million, one hundred sixteen thousand, five hundred sixty-one".