505000558255 has 16 divisors (see below), whose sum is σ = 615304525824. Its totient is φ = 397802956320.

The previous prime is 505000558243. The next prime is 505000558319. The reversal of 505000558255 is 552855000505.

It is not a de Polignac number, because 505000558255 - 2²⁵ = 504967003823 is a prime.

It is a Duffinian number.

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, 482010 + ... + 1114600.

It is an arithmetic number, because the mean of its divisors is an integer number (38456532864).

Almost surely, 2^505000558255 is an apocalyptic number.

505000558255 is a deficient number, since it is larger than the sum of its proper divisors (110303967569).

505000558255 is a wasteful number, since it uses less digits than its factorization.

505000558255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635046.

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 505000558255 in words is "five hundred five billion, five hundred fifty-eight thousand, two hundred fifty-five".