255005250555 has 16 divisors (see below), whose sum is σ = 445100073984. Its totient is φ = 123638909280.

The previous prime is 255005250547. The next prime is 255005250581. The reversal of 255005250555 is 555052500552.

It is not a de Polignac number, because 255005250555 - 2³ = 255005250547 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772743019 + ... + 772743348.

It is an arithmetic number, because the mean of its divisors is an integer number (27818754624).

Almost surely, 2^255005250555 is an apocalyptic number.

255005250555 is a deficient number, since it is larger than the sum of its proper divisors (190094823429).

255005250555 is a wasteful number, since it uses less digits than its factorization.

255005250555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545486386.

The product of its (nonzero) digits is 312500, while the sum is 39.

The spelling of 255005250555 in words is "two hundred fifty-five billion, five million, two hundred fifty thousand, five hundred fifty-five".