5718377315221 has 4 divisors (see below), whose sum is σ = 5734305943200. Its totient is φ = 5702448687244.

The previous prime is 5718377315219. The next prime is 5718377315293. The reversal of 5718377315221 is 1225137738175.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5718377315221 - 2¹ = 5718377315219 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 (5718377315821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7964313451 + ... + 7964314168.

It is an arithmetic number, because the mean of its divisors is an integer number (1433576485800).

Almost surely, 2^{5718377315221} is an apocalyptic number.

It is an amenable number.

5718377315221 is a deficient number, since it is larger than the sum of its proper divisors (15928627979).

5718377315221 is a wasteful number, since it uses less digits than its factorization.

5718377315221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15928627978.

The product of its digits is 2469600, while the sum is 52.

The spelling of 5718377315221 in words is "five trillion, seven hundred eighteen billion, three hundred seventy-seven million, three hundred fifteen thousand, two hundred twenty-one".