28055850211 has 12 divisors (see below), whose sum is σ = 28682244552. Its totient is φ = 27437012064.

The previous prime is 28055850203. The next prime is 28055850223. The reversal of 28055850211 is 11205855082.

It is not a de Polignac number, because 28055850211 - 2³ = 28055850203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28055850811) 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, 1283671 + ... + 1305343.

It is an arithmetic number, because the mean of its divisors is an integer number (2390187046).

Almost surely, 2^28055850211 is an apocalyptic number.

28055850211 is a deficient number, since it is larger than the sum of its proper divisors (626394341).

28055850211 is an equidigital number, since it uses as much as digits as its factorization.

28055850211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22018 (or 21879 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 37.

The spelling of 28055850211 in words is "twenty-eight billion, fifty-five million, eight hundred fifty thousand, two hundred eleven".