5216565197951 has 16 divisors (see below), whose sum is σ = 5389984131840. Its totient is φ = 5045506441920.

The previous prime is 5216565197947. The next prime is 5216565197993. The reversal of 5216565197951 is 1597915656125.

5216565197951 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5216565197951 - 2² = 5216565197947 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 (5216565197251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1589900 + ... + 3600126.

It is an arithmetic number, because the mean of its divisors is an integer number (336874008240).

Almost surely, 2^{5216565197951} is an apocalyptic number.

5216565197951 is a deficient number, since it is larger than the sum of its proper divisors (173418933889).

5216565197951 is a wasteful number, since it uses less digits than its factorization.

5216565197951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010814.

The product of its digits is 25515000, while the sum is 62.

The spelling of 5216565197951 in words is "five trillion, two hundred sixteen billion, five hundred sixty-five million, one hundred ninety-seven thousand, nine hundred fifty-one".