28080215211 has 8 divisors (see below), whose sum is σ = 37449614224. Its totient is φ = 18715479840.

The previous prime is 28080215203. The next prime is 28080215231. The reversal of 28080215211 is 11251208082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28080215211 - 2³ = 28080215203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28080215201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151836 + ... + 1175961.

It is an arithmetic number, because the mean of its divisors is an integer number (4681201778).

Almost surely, 2^28080215211 is an apocalyptic number.

28080215211 is a deficient number, since it is larger than the sum of its proper divisors (9369399013).

28080215211 is a wasteful number, since it uses less digits than its factorization.

28080215211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331821.

The product of its (nonzero) digits is 2560, while the sum is 30.

The spelling of 28080215211 in words is "twenty-eight billion, eighty million, two hundred fifteen thousand, two hundred eleven".