5718217175221 has 8 divisors (see below), whose sum is σ = 5720427619200. Its totient is φ = 5716007166480.

The previous prime is 5718217175171. The next prime is 5718217175227. The reversal of 5718217175221 is 1225717128175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5718217175221 - 2⁷ = 5718217175093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5718217175227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27510160 + ... + 27717238.

It is an arithmetic number, because the mean of its divisors is an integer number (715053452400).

Almost surely, 2^{5718217175221} is an apocalyptic number.

It is an amenable number.

5718217175221 is a deficient number, since it is larger than the sum of its proper divisors (2210443979).

5718217175221 is a wasteful number, since it uses less digits than its factorization.

5718217175221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217619.

The product of its digits is 548800, while the sum is 49.

The spelling of 5718217175221 in words is "five trillion, seven hundred eighteen billion, two hundred seventeen million, one hundred seventy-five thousand, two hundred twenty-one".