28052555005 has 4 divisors (see below), whose sum is σ = 33663066012. Its totient is φ = 22442044000.

The previous prime is 28052554991. The next prime is 28052555021. The reversal of 28052555005 is 50055525082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50055525082 = 2 ⋅25027762541.

It can be written as a sum of positive squares in 2 ways, for example, as 3044611684 + 25007943321 = 55178^2 + 158139^2 .

It is not a de Polignac number, because 28052555005 - 2¹³ = 28052546813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805255496 + ... + 2805255505.

It is an arithmetic number, because the mean of its divisors is an integer number (8415766503).

Almost surely, 2^28052555005 is an apocalyptic number.

It is an amenable number.

28052555005 is a deficient number, since it is larger than the sum of its proper divisors (5610511007).

28052555005 is an equidigital number, since it uses as much as digits as its factorization.

28052555005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610511006.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 28052555005 in words is "twenty-eight billion, fifty-two million, five hundred fifty-five thousand, five".