5161116761 has 2 divisors, whose sum is σ = 5161116762. Its totient is φ = 5161116760.

The previous prime is 5161116749. The next prime is 5161116773. The reversal of 5161116761 is 1676111615.

It is a balanced prime because it is at equal distance from previous prime (5161116749) and next prime (5161116773).

It can be written as a sum of positive squares in only one way, i.e., 3718560400 + 1442556361 = 60980^2 + 37981^2 .

It is a cyclic number.

It is not a de Polignac number, because 5161116761 - 2¹⁰ = 5161115737 is a prime.

It is a super-2 number, since 2×5161116761² = 53274252441350262242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5161116721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580558380 + 2580558381.

It is an arithmetic number, because the mean of its divisors is an integer number (2580558381).

Almost surely, 2^5161116761 is an apocalyptic number.

It is an amenable number.

5161116761 is a deficient number, since it is larger than the sum of its proper divisors (1).

5161116761 is an equidigital number, since it uses as much as digits as its factorization.

5161116761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 35.

The square root of 5161116761 is about 71840.9128630755. The cubic root of 5161116761 is about 1728.1491740118.

The spelling of 5161116761 in words is "five billion, one hundred sixty-one million, one hundred sixteen thousand, seven hundred sixty-one".