28083030111 has 12 divisors (see below), whose sum is σ = 40567196488. Its totient is φ = 18720718704.

The previous prime is 28083030043. The next prime is 28083030149. The reversal of 28083030111 is 11103038082.

28083030111 is a `hidden beast` number, since 280 + 83 + 0 + 301 + 1 + 1 = 666.

It is not a de Polignac number, because 28083030111 - 2¹⁵ = 28082997343 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 (28083030191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38736 + ... + 240138.

Almost surely, 2^28083030111 is an apocalyptic number.

28083030111 is a deficient number, since it is larger than the sum of its proper divisors (12484166377).

28083030111 is a wasteful number, since it uses less digits than its factorization.

28083030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216902 (or 216899 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 28083030111 its reverse (11103038082), we get a palindrome (39186068193).

The spelling of 28083030111 in words is "twenty-eight billion, eighty-three million, thirty thousand, one hundred eleven".