28560000015 has 12 divisors (see below), whose sum is σ = 49504000104. Its totient is φ = 15231999984.

The previous prime is 28559999971. The next prime is 28560000037. The reversal of 28560000015 is 51000006582.

It is not a de Polignac number, because 28560000015 - 2⁷ = 28559999887 is a prime.

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, 317333289 + ... + 317333378.

It is an arithmetic number, because the mean of its divisors is an integer number (4125333342).

Almost surely, 2^28560000015 is an apocalyptic number.

28560000015 is a deficient number, since it is larger than the sum of its proper divisors (20944000089).

28560000015 is a wasteful number, since it uses less digits than its factorization.

28560000015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634666678 (or 634666675 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 28560000015 its reverse (51000006582), we get a palindrome (79560006597).

The spelling of 28560000015 in words is "twenty-eight billion, five hundred sixty million, fifteen", and thus it is an aban number.