505555005003 has 16 divisors (see below), whose sum is σ = 697365845280. Its totient is φ = 325392037376.

The previous prime is 505555004837. The next prime is 505555005047. The reversal of 505555005003 is 300500555505.

It is a cyclic number.

It is not a de Polignac number, because 505555005003 - 2¹⁷ = 505554873931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505555005073) 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, 1101001 + ... + 1491077.

It is an arithmetic number, because the mean of its divisors is an integer number (43585365330).

Almost surely, 2^505555005003 is an apocalyptic number.

505555005003 is a deficient number, since it is larger than the sum of its proper divisors (191810840277).

505555005003 is a wasteful number, since it uses less digits than its factorization.

505555005003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405006.

The product of its (nonzero) digits is 46875, while the sum is 33.

The spelling of 505555005003 in words is "five hundred five billion, five hundred fifty-five million, five thousand, three".