255505505003 has 16 divisors (see below), whose sum is σ = 297993086400. Its totient is φ = 214554894336.

The previous prime is 255505504997. The next prime is 255505505029. The reversal of 255505505003 is 300505505552.

It is a cyclic number.

It is not a de Polignac number, because 255505505003 - 2³² = 251210537707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255505505063) 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 15 ways as a sum of consecutive naturals, for example, 1601750 + ... + 1754027.

It is an arithmetic number, because the mean of its divisors is an integer number (18624567900).

Almost surely, 2^255505505003 is an apocalyptic number.

255505505003 is a deficient number, since it is larger than the sum of its proper divisors (42487581397).

255505505003 is a wasteful number, since it uses less digits than its factorization.

255505505003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356006.

The product of its (nonzero) digits is 93750, while the sum is 35.

The spelling of 255505505003 in words is "two hundred fifty-five billion, five hundred five million, five hundred five thousand, three".