5216210455321 has 8 divisors (see below), whose sum is σ = 5446516132800. Its totient is φ = 4986197604432.

The previous prime is 5216210455283. The next prime is 5216210455333. The reversal of 5216210455321 is 1235540126125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5216210455321 is a prime.

It is a super-2 number, since 2×5216210455321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5216210455361) 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, 73170235 + ... + 73241488.

It is an arithmetic number, because the mean of its divisors is an integer number (680814516600).

Almost surely, 2^{5216210455321} is an apocalyptic number.

It is an amenable number.

5216210455321 is a deficient number, since it is larger than the sum of its proper divisors (230305677479).

5216210455321 is a wasteful number, since it uses less digits than its factorization.

5216210455321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146413295.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 5216210455321 in words is "five trillion, two hundred sixteen billion, two hundred ten million, four hundred fifty-five thousand, three hundred twenty-one".