28285414811 has 2 divisors, whose sum is σ = 28285414812. Its totient is φ = 28285414810.

The previous prime is 28285414769. The next prime is 28285414813. The reversal of 28285414811 is 11841458282.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28285414811 is a prime.

Together with 28285414813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28285414813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14142707405 + 14142707406.

It is an arithmetic number, because the mean of its divisors is an integer number (14142707406).

Almost surely, 2^28285414811 is an apocalyptic number.

28285414811 is a deficient number, since it is larger than the sum of its proper divisors (1).

28285414811 is an equidigital number, since it uses as much as digits as its factorization.

28285414811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163840, while the sum is 44.

The spelling of 28285414811 in words is "twenty-eight billion, two hundred eighty-five million, four hundred fourteen thousand, eight hundred eleven".