5117661730472 has 16 divisors (see below), whose sum is σ = 9605125785300. Its totient is φ = 2556294854400.

The previous prime is 5117661730471. The next prime is 5117661730487. The reversal of 5117661730472 is 2740371667115.

It can be written as a sum of positive squares in 2 ways, for example, as 5115983517316 + 1678213156 = 2261854^2 + 40966^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5117661730472.

It is not an unprimeable number, because it can be changed into a prime (5117661730471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316992779 + ... + 317008922.

Almost surely, 2^{5117661730472} is an apocalyptic number.

It is an amenable number.

5117661730472 is a deficient number, since it is larger than the sum of its proper divisors (4487464054828).

5117661730472 is a wasteful number, since it uses less digits than its factorization.

5117661730472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634002716 (or 634002712 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 5117661730472 in words is "five trillion, one hundred seventeen billion, six hundred sixty-one million, seven hundred thirty thousand, four hundred seventy-two".