285285563575 has 12 divisors (see below), whose sum is σ = 354183959248. Its totient is φ = 227951121600.

The previous prime is 285285563543. The next prime is 285285563579. The reversal of 285285563575 is 575365582582.

It is not a de Polignac number, because 285285563575 - 2⁵ = 285285563543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285285563579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6912246 + ... + 6953395.

Almost surely, 2^285285563575 is an apocalyptic number.

285285563575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

285285563575 is a deficient number, since it is larger than the sum of its proper divisors (68898395673).

285285563575 is a wasteful number, since it uses less digits than its factorization.

285285563575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13866474 (or 13866469 counting only the distinct ones).

The product of its digits is 100800000, while the sum is 61.

The spelling of 285285563575 in words is "two hundred eighty-five billion, two hundred eighty-five million, five hundred sixty-three thousand, five hundred seventy-five".