28085315011 has 8 divisors (see below), whose sum is σ = 30248045744. Its totient is φ = 25922916000.

The previous prime is 28085314997. The next prime is 28085315017. The reversal of 28085315011 is 11051358082.

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

It is a cyclic number.

It is not a de Polignac number, because 28085315011 - 2¹¹ = 28085312963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28085315017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109465 + ... + 261061.

It is an arithmetic number, because the mean of its divisors is an integer number (3781005718).

Almost surely, 2^28085315011 is an apocalyptic number.

28085315011 is a deficient number, since it is larger than the sum of its proper divisors (2162730733).

28085315011 is a wasteful number, since it uses less digits than its factorization.

28085315011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165861.

The product of its (nonzero) digits is 9600, while the sum is 34.

The spelling of 28085315011 in words is "twenty-eight billion, eighty-five million, three hundred fifteen thousand, eleven".