28255106913 has 8 divisors (see below), whose sum is σ = 41098337376. Its totient is φ = 17124307200.

The previous prime is 28255106881. The next prime is 28255106933. The reversal of 28255106913 is 31960155282.

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

It is not a de Polignac number, because 28255106913 - 2⁵ = 28255106881 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28255106933) 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, 428107648 + ... + 428107713.

It is an arithmetic number, because the mean of its divisors is an integer number (5137292172).

Almost surely, 2^28255106913 is an apocalyptic number.

It is an amenable number.

28255106913 is a deficient number, since it is larger than the sum of its proper divisors (12843230463).

28255106913 is a wasteful number, since it uses less digits than its factorization.

28255106913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856215375.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 28255106913 in words is "twenty-eight billion, two hundred fifty-five million, one hundred six thousand, nine hundred thirteen".