5220115221571 has 4 divisors (see below), whose sum is σ = 5230370851200. Its totient is φ = 5209859591944.

The previous prime is 5220115221557. The next prime is 5220115221583. The reversal of 5220115221571 is 1751225110225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5220115221571 - 2¹⁵ = 5220115188803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5220115221521) 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, 5127814051 + ... + 5127815068.

It is an arithmetic number, because the mean of its divisors is an integer number (1307592712800).

Almost surely, 2^{5220115221571} is an apocalyptic number.

5220115221571 is a deficient number, since it is larger than the sum of its proper divisors (10255629629).

5220115221571 is a wasteful number, since it uses less digits than its factorization.

5220115221571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10255629628.

The product of its (nonzero) digits is 14000, while the sum is 34.

The spelling of 5220115221571 in words is "five trillion, two hundred twenty billion, one hundred fifteen million, two hundred twenty-one thousand, five hundred seventy-one".