5128748615 has 12 divisors (see below), whose sum is σ = 6537825336. Its totient is φ = 3861644928.

The previous prime is 5128748579. The next prime is 5128748627. The reversal of 5128748615 is 5168478215.

It is not a de Polignac number, because 5128748615 - 2¹⁸ = 5128486471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5128748615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1773209 + ... + 1776098.

It is an arithmetic number, because the mean of its divisors is an integer number (544818778).

Almost surely, 2^5128748615 is an apocalyptic number.

5128748615 is a deficient number, since it is larger than the sum of its proper divisors (1409076721).

5128748615 is a wasteful number, since it uses less digits than its factorization.

5128748615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549346 (or 3549329 counting only the distinct ones).

The product of its digits is 537600, while the sum is 47.

The square root of 5128748615 is about 71615.2819934405. The cubic root of 5128748615 is about 1724.5288767319.

The spelling of 5128748615 in words is "five billion, one hundred twenty-eight million, seven hundred forty-eight thousand, six hundred fifteen".