28025003005255 has 4 divisors (see below), whose sum is σ = 33630003606312. Its totient is φ = 22420002404200.

The previous prime is 28025003005253. The next prime is 28025003005267. The reversal of 28025003005255 is 55250030052082.

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

It is not a de Polignac number, because 28025003005255 - 2¹ = 28025003005253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28025003005253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2802500300521 + ... + 2802500300530.

It is an arithmetic number, because the mean of its divisors is an integer number (8407500901578).

Almost surely, 2^{28025003005255} is an apocalyptic number.

28025003005255 is a deficient number, since it is larger than the sum of its proper divisors (5605000601057).

28025003005255 is an equidigital number, since it uses as much as digits as its factorization.

28025003005255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605000601056.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 28025003005255 in words is "twenty-eight trillion, twenty-five billion, three million, five thousand, two hundred fifty-five".