5120191430656 has 51 divisors (see below), whose sum is σ = 10241463401031. Its totient is φ = 2559806078976.

The previous prime is 5120191430611. The next prime is 5120191430663. The reversal of 5120191430656 is 6560341910215.

The square root of 5120191430656 is 2262784.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 579268285 + ... + 579277123.

Almost surely, 2^{5120191430656} is an apocalyptic number.

5120191430656 is the 2262784-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5120191430656

5120191430656 is an abundant number, since it is smaller than the sum of its proper divisors (5121271970375).

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

5120191430656 is an frugal number, since it uses more digits than its factorization.

5120191430656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17710 (or 8841 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 5120191430656 in words is "five trillion, one hundred twenty billion, one hundred ninety-one million, four hundred thirty thousand, six hundred fifty-six".