5116256129 has 2 divisors, whose sum is σ = 5116256130. Its totient is φ = 5116256128.

The previous prime is 5116256113. The next prime is 5116256147. The reversal of 5116256129 is 9216526115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5116111729 + 144400 = 71527^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 5116256129 - 2⁴ = 5116256113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5116256092 and 5116256101.

It is not a weakly prime, because it can be changed into another prime (5116256149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2558128064 + 2558128065.

It is an arithmetic number, because the mean of its divisors is an integer number (2558128065).

Almost surely, 2^5116256129 is an apocalyptic number.

It is an amenable number.

5116256129 is a deficient number, since it is larger than the sum of its proper divisors (1).

5116256129 is an equidigital number, since it uses as much as digits as its factorization.

5116256129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 5116256129 is about 71528.0094019119. The cubic root of 5116256129 is about 1723.1275492985.

The spelling of 5116256129 in words is "five billion, one hundred sixteen million, two hundred fifty-six thousand, one hundred twenty-nine".