28548104311 has 4 divisors (see below), whose sum is σ = 28909472800. Its totient is φ = 28186735824.

The previous prime is 28548104309. The next prime is 28548104323. The reversal of 28548104311 is 11340184582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28548104311 - 2¹ = 28548104309 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 (28548102311) 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 3 ways as a sum of consecutive naturals, for example, 180684126 + ... + 180684283.

It is an arithmetic number, because the mean of its divisors is an integer number (7227368200).

Almost surely, 2^28548104311 is an apocalyptic number.

28548104311 is a deficient number, since it is larger than the sum of its proper divisors (361368489).

28548104311 is an equidigital number, since it uses as much as digits as its factorization.

28548104311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361368488.

The product of its (nonzero) digits is 30720, while the sum is 37.

Adding to 28548104311 its reverse (11340184582), we get a palindrome (39888288893).

The spelling of 28548104311 in words is "twenty-eight billion, five hundred forty-eight million, one hundred four thousand, three hundred eleven".