5217956610571 has 2 divisors, whose sum is σ = 5217956610572. Its totient is φ = 5217956610570.

The previous prime is 5217956610569. The next prime is 5217956610619. The reversal of 5217956610571 is 1750166597125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5217956610571 - 2¹ = 5217956610569 is a prime.

Together with 5217956610569, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5217956610551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2608978305285 + 2608978305286.

It is an arithmetic number, because the mean of its divisors is an integer number (2608978305286).

Almost surely, 2^{5217956610571} is an apocalyptic number.

5217956610571 is a deficient number, since it is larger than the sum of its proper divisors (1).

5217956610571 is an equidigital number, since it uses as much as digits as its factorization.

5217956610571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969000, while the sum is 55.

The spelling of 5217956610571 in words is "five trillion, two hundred seventeen billion, nine hundred fifty-six million, six hundred ten thousand, five hundred seventy-one".