5115561029 has 2 divisors, whose sum is σ = 5115561030. Its totient is φ = 5115561028.

The previous prime is 5115561013. The next prime is 5115561037. The reversal of 5115561029 is 9201655115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5094676129 + 20884900 = 71377^2 + 4570^2 .

It is a cyclic number.

It is not a de Polignac number, because 5115561029 - 2⁴ = 5115561013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5115561029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5115561049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2557780514 + 2557780515.

It is an arithmetic number, because the mean of its divisors is an integer number (2557780515).

Almost surely, 2^5115561029 is an apocalyptic number.

It is an amenable number.

5115561029 is a deficient number, since it is larger than the sum of its proper divisors (1).

5115561029 is an equidigital number, since it uses as much as digits as its factorization.

5115561029 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 35.

The square root of 5115561029 is about 71523.1503011438. The cubic root of 5115561029 is about 1723.0495104503.

The spelling of 5115561029 in words is "five billion, one hundred fifteen million, five hundred sixty-one thousand, twenty-nine".