28560841075 has 24 divisors (see below), whose sum is σ = 40383227808. Its totient is φ = 19850426880.

The previous prime is 28560841063. The next prime is 28560841079. The reversal of 28560841075 is 57014806582.

It is not a de Polignac number, because 28560841075 - 2⁹ = 28560840563 is a prime.

It is a super-2 number, since 2×28560841075² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28560841079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2579167 + ... + 2590216.

It is an arithmetic number, because the mean of its divisors is an integer number (1682634492).

Almost surely, 2^28560841075 is an apocalyptic number.

28560841075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28560841075 is a deficient number, since it is larger than the sum of its proper divisors (11822386733).

28560841075 is a wasteful number, since it uses less digits than its factorization.

28560841075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169423 (or 5169418 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 28560841075 in words is "twenty-eight billion, five hundred sixty million, eight hundred forty-one thousand, seventy-five".