505545006003 has 4 divisors (see below), whose sum is σ = 674060008008. Its totient is φ = 337030004000.

The previous prime is 505545005963. The next prime is 505545006049. The reversal of 505545006003 is 300600545505.

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

It is a cyclic number.

It is not a de Polignac number, because 505545006003 - 2²⁴ = 505528228787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505545006073) 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, 84257500998 + ... + 84257501003.

It is an arithmetic number, because the mean of its divisors is an integer number (168515002002).

Almost surely, 2^505545006003 is an apocalyptic number.

505545006003 is a deficient number, since it is larger than the sum of its proper divisors (168515002005).

505545006003 is a wasteful number, since it uses less digits than its factorization.

505545006003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168515002004.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 505545006003 in words is "five hundred five billion, five hundred forty-five million, six thousand, three".