5221255847931 has 6 divisors (see below), whose sum is σ = 7541814002580. Its totient is φ = 3480837231948.

The previous prime is 5221255847869. The next prime is 5221255847959. The reversal of 5221255847931 is 1397485521225.

5221255847931 is a `hidden beast` number, since 5 + 2 + 2 + 1 + 25 + 584 + 7 + 9 + 31 = 666.

It is not a de Polignac number, because 5221255847931 - 2⁶ = 5221255847867 is a prime.

It is a super-2 number, since 2×5221255847931² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5221255847981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290069769321 + ... + 290069769338.

It is an arithmetic number, because the mean of its divisors is an integer number (1256969000430).

Almost surely, 2^{5221255847931} is an apocalyptic number.

5221255847931 is a deficient number, since it is larger than the sum of its proper divisors (2320558154649).

5221255847931 is a wasteful number, since it uses less digits than its factorization.

5221255847931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580139538665 (or 580139538662 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The spelling of 5221255847931 in words is "five trillion, two hundred twenty-one billion, two hundred fifty-five million, eight hundred forty-seven thousand, nine hundred thirty-one".