5113520728 has 16 divisors (see below), whose sum is σ = 9599715000. Its totient is φ = 2553596736.

The previous prime is 5113520723. The next prime is 5113520803. The reversal of 5113520728 is 8270253115.

It is a super-2 number, since 2×5113520728² = 52296188471371299968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5113520693 and 5113520702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5113520723) 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, 388578 + ... + 401521.

Almost surely, 2^5113520728 is an apocalyptic number.

It is an amenable number.

5113520728 is a deficient number, since it is larger than the sum of its proper divisors (4486194272).

5113520728 is a wasteful number, since it uses less digits than its factorization.

5113520728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790914 (or 790910 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 5113520728 is about 71508.8856576580. The cubic root of 5113520728 is about 1722.8204051053.

The spelling of 5113520728 in words is "five billion, one hundred thirteen million, five hundred twenty thousand, seven hundred twenty-eight".