5322154213521 has 64 divisors (see below), whose sum is σ = 8936818560000. Its totient is φ = 3110012257536.

The previous prime is 5322154213511. The next prime is 5322154213529. The reversal of 5322154213521 is 1253124512235.

5322154213521 is a `hidden beast` number, since 5 + 3 + 221 + 5 + 421 + 3 + 5 + 2 + 1 = 666.

It is not a de Polignac number, because 5322154213521 - 2⁷ = 5322154213393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5322154213529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4657231 + ... + 5686308.

It is an arithmetic number, because the mean of its divisors is an integer number (139637790000).

Almost surely, 2^{5322154213521} is an apocalyptic number.

5322154213521 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5322154213521 is a deficient number, since it is larger than the sum of its proper divisors (3614664346479).

5322154213521 is a wasteful number, since it uses less digits than its factorization.

5322154213521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343643 (or 10343637 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 5322154213521 its reverse (1253124512235), we get a palindrome (6575278725756).

The spelling of 5322154213521 in words is "five trillion, three hundred twenty-two billion, one hundred fifty-four million, two hundred thirteen thousand, five hundred twenty-one".