5115431639824 has 75 divisors (see below), whose sum is σ = 10904529505765. Its totient is φ = 2324698618880.

The previous prime is 5115431639807. The next prime is 5115431639839. The reversal of 5115431639824 is 4289361345115.

The square root of 5115431639824 is 2261732.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4903124490000 + 212307149824 = 2214300^2 + 460768^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1094675952 + ... + 1094680624.

Almost surely, 2^{5115431639824} is an apocalyptic number.

5115431639824 is the 2261732-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5115431639824

5115431639824 is an abundant number, since it is smaller than the sum of its proper divisors (5789097865941).

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

5115431639824 is an frugal number, since it uses more digits than its factorization.

5115431639824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9398 (or 4686 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 52.

The spelling of 5115431639824 in words is "five trillion, one hundred fifteen billion, four hundred thirty-one million, six hundred thirty-nine thousand, eight hundred twenty-four".