28816134411 has 4 divisors (see below), whose sum is σ = 38421512552. Its totient is φ = 19210756272.

The previous prime is 28816134383. The next prime is 28816134449. The reversal of 28816134411 is 11443161882.

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

It is not a de Polignac number, because 28816134411 - 2²³ = 28807745803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28816134411.

It is not an unprimeable number, because it can be changed into a prime (28816134211) 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, 4802689066 + ... + 4802689071.

It is an arithmetic number, because the mean of its divisors is an integer number (9605378138).

Almost surely, 2^28816134411 is an apocalyptic number.

28816134411 is a deficient number, since it is larger than the sum of its proper divisors (9605378141).

28816134411 is an equidigital number, since it uses as much as digits as its factorization.

28816134411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9605378140.

The product of its digits is 36864, while the sum is 39.

The spelling of 28816134411 in words is "twenty-eight billion, eight hundred sixteen million, one hundred thirty-four thousand, four hundred eleven".