5105506129 has 2 divisors, whose sum is σ = 5105506130. Its totient is φ = 5105506128.

The previous prime is 5105506123. The next prime is 5105506151. The reversal of 5105506129 is 9216055015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3522659904 + 1582846225 = 59352^2 + 39785^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105506129 - 2¹¹ = 5105504081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5105506094 and 5105506103.

It is not a weakly prime, because it can be changed into another prime (5105506123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552753064 + 2552753065.

It is an arithmetic number, because the mean of its divisors is an integer number (2552753065).

Almost surely, 2^5105506129 is an apocalyptic number.

It is an amenable number.

5105506129 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105506129 is an equidigital number, since it uses as much as digits as its factorization.

5105506129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 34.

The square root of 5105506129 is about 71452.8244998055. The cubic root of 5105506129 is about 1721.9198556607.

The spelling of 5105506129 in words is "five billion, one hundred five million, five hundred six thousand, one hundred twenty-nine".