5171775905851 has 2 divisors, whose sum is σ = 5171775905852. Its totient is φ = 5171775905850.

The previous prime is 5171775905809. The next prime is 5171775905869. The reversal of 5171775905851 is 1585095771715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5171775905851 - 2³⁹ = 4622020091963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5171775905851.

It is not a weakly prime, because it can be changed into another prime (5171775908851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585887952925 + 2585887952926.

It is an arithmetic number, because the mean of its divisors is an integer number (2585887952926).

Almost surely, 2^{5171775905851} is an apocalyptic number.

5171775905851 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171775905851 is an equidigital number, since it uses as much as digits as its factorization.

5171775905851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15435000, while the sum is 61.

The spelling of 5171775905851 in words is "five trillion, one hundred seventy-one billion, seven hundred seventy-five million, nine hundred five thousand, eight hundred fifty-one".