4145728559517 has 12 divisors (see below), whose sum is σ = 5989708270780. Its totient is φ = 2763157339008.

The previous prime is 4145728559503. The next prime is 4145728559543. The reversal of 4145728559517 is 7159558275414.

4145728559517 is a `hidden beast` number, since 4 + 1 + 4 + 5 + 7 + 28 + 5 + 595 + 17 = 666.

4145728559517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3740533930116 + 405194629401 = 1934046^2 + 636549^2 .

It is not a de Polignac number, because 4145728559517 - 2¹¹ = 4145728557469 is a prime.

It is a super-2 number, since 2×4145728559517² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145728559017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55102042 + ... + 55177227.

Almost surely, 2^{4145728559517} is an apocalyptic number.

It is an amenable number.

4145728559517 is a deficient number, since it is larger than the sum of its proper divisors (1843979711263).

4145728559517 is a wasteful number, since it uses less digits than its factorization.

4145728559517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110283452 (or 110283449 counting only the distinct ones).

The product of its digits is 70560000, while the sum is 63.

The spelling of 4145728559517 in words is "four trillion, one hundred forty-five billion, seven hundred twenty-eight million, five hundred fifty-nine thousand, five hundred seventeen".