28005055005255 has 16 divisors (see below), whose sum is σ = 46756265748480. Its totient is φ = 14286636756128.

The previous prime is 28005055005223. The next prime is 28005055005269. The reversal of 28005055005255 is 55250055050082.

It is a cyclic number.

It is not a de Polignac number, because 28005055005255 - 2⁵ = 28005055005223 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 40587035895 + ... + 40587036584.

It is an arithmetic number, because the mean of its divisors is an integer number (2922266609280).

Almost surely, 2^{28005055005255} is an apocalyptic number.

28005055005255 is a deficient number, since it is larger than the sum of its proper divisors (18751210743225).

28005055005255 is a wasteful number, since it uses less digits than its factorization.

28005055005255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81174072510.

The product of its (nonzero) digits is 500000, while the sum is 42.

The spelling of 28005055005255 in words is "twenty-eight trillion, five billion, fifty-five million, five thousand, two hundred fifty-five".