5121206710289 has 2 divisors, whose sum is σ = 5121206710290. Its totient is φ = 5121206710288.

The previous prime is 5121206710241. The next prime is 5121206710349. The reversal of 5121206710289 is 9820176021215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2568775507600 + 2552431202689 = 1602740^2 + 1597633^2 .

It is a cyclic number.

It is not a de Polignac number, because 5121206710289 - 2⁸ = 5121206710033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5121206710189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560603355144 + 2560603355145.

It is an arithmetic number, because the mean of its divisors is an integer number (2560603355145).

Almost surely, 2^{5121206710289} is an apocalyptic number.

It is an amenable number.

5121206710289 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121206710289 is an equidigital number, since it uses as much as digits as its factorization.

5121206710289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 5121206710289 in words is "five trillion, one hundred twenty-one billion, two hundred six million, seven hundred ten thousand, two hundred eighty-nine".