5221516512 has 48 divisors (see below), whose sum is σ = 13998120192. Its totient is φ = 1703472000.

The previous prime is 5221516477. The next prime is 5221516523. The reversal of 5221516512 is 2156151225.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×5221516512² = 54528469370177292288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5221516512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574114 + ... + 583137.

It is an arithmetic number, because the mean of its divisors is an integer number (291627504).

Almost surely, 2^5221516512 is an apocalyptic number.

It is an amenable number.

5221516512 is an abundant number, since it is smaller than the sum of its proper divisors (8776603680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5221516512 is a wasteful number, since it uses less digits than its factorization.

5221516512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157311 (or 1157303 counting only the distinct ones).

The product of its digits is 6000, while the sum is 30.

The square root of 5221516512 is about 72260.0616661791. The cubic root of 5221516512 is about 1734.8644665421.

Adding to 5221516512 its reverse (2156151225), we get a palindrome (7377667737).

The spelling of 5221516512 in words is "five billion, two hundred twenty-one million, five hundred sixteen thousand, five hundred twelve".