28568361118 has 12 divisors (see below), whose sum is σ = 47102380920. Its totient is φ = 12985618580.

The previous prime is 28568361109. The next prime is 28568361163. The reversal of 28568361118 is 81116386582.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 59025298 + ... + 59025781.

It is an arithmetic number, because the mean of its divisors is an integer number (3925198410).

Almost surely, 2^28568361118 is an apocalyptic number.

28568361118 is a deficient number, since it is larger than the sum of its proper divisors (18534019802).

28568361118 is a wasteful number, since it uses less digits than its factorization.

28568361118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118051103 (or 118051092 counting only the distinct ones).

The product of its digits is 552960, while the sum is 49.

The spelling of 28568361118 in words is "twenty-eight billion, five hundred sixty-eight million, three hundred sixty-one thousand, one hundred eighteen".