28517453818132 has 24 divisors (see below), whose sum is σ = 50968047392640. Its totient is φ = 13955162695680.

The previous prime is 28517453818129. The next prime is 28517453818177. The reversal of 28517453818132 is 23181835471582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13605207 + ... + 15560737.

It is an arithmetic number, because the mean of its divisors is an integer number (2123668641360).

Almost surely, 2^{28517453818132} is an apocalyptic number.

It is an amenable number.

28517453818132 is a deficient number, since it is larger than the sum of its proper divisors (22450593574508).

28517453818132 is a wasteful number, since it uses less digits than its factorization.

28517453818132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033151 (or 2033149 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 58.

The spelling of 28517453818132 in words is "twenty-eight trillion, five hundred seventeen billion, four hundred fifty-three million, eight hundred eighteen thousand, one hundred thirty-two".