28355560113 has 8 divisors (see below), whose sum is σ = 37827736576. Its totient is φ = 18893545200.

The previous prime is 28355560087. The next prime is 28355560141. The reversal of 28355560113 is 31106555382.

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

It is not a de Polignac number, because 28355560113 - 2⁶ = 28355560049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28355560313) 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 7 ways as a sum of consecutive naturals, for example, 2533873 + ... + 2545038.

It is an arithmetic number, because the mean of its divisors is an integer number (4728467072).

Almost surely, 2^28355560113 is an apocalyptic number.

It is an amenable number.

28355560113 is a deficient number, since it is larger than the sum of its proper divisors (9472176463).

28355560113 is a wasteful number, since it uses less digits than its factorization.

28355560113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080775.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 28355560113 in words is "twenty-eight billion, three hundred fifty-five million, five hundred sixty thousand, one hundred thirteen".