5106000605561 has 2 divisors, whose sum is σ = 5106000605562. Its totient is φ = 5106000605560.

The previous prime is 5106000605471. The next prime is 5106000605669. The reversal of 5106000605561 is 1655060006015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5101477236025 + 4523369536 = 2258645^2 + 67256^2 .

It is a cyclic number.

It is not a de Polignac number, because 5106000605561 - 2¹⁴ = 5106000589177 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 (5106000608561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553000302780 + 2553000302781.

It is an arithmetic number, because the mean of its divisors is an integer number (2553000302781).

Almost surely, 2^{5106000605561} is an apocalyptic number.

It is an amenable number.

5106000605561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5106000605561 is an equidigital number, since it uses as much as digits as its factorization.

5106000605561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 5106000605561 in words is "five trillion, one hundred six billion, six hundred five thousand, five hundred sixty-one".