28550032118 has 32 divisors (see below), whose sum is σ = 46834018560. Its totient is φ = 12994375680.

The previous prime is 28550032061. The next prime is 28550032129. The reversal of 28550032118 is 81123005582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2072678 + ... + 2086406.

It is an arithmetic number, because the mean of its divisors is an integer number (1463563080).

Almost surely, 2^28550032118 is an apocalyptic number.

28550032118 is a deficient number, since it is larger than the sum of its proper divisors (18283986442).

28550032118 is a wasteful number, since it uses less digits than its factorization.

28550032118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15752.

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 28550032118 in words is "twenty-eight billion, five hundred fifty million, thirty-two thousand, one hundred eighteen".