505212635255 has 4 divisors (see below), whose sum is σ = 606255162312. Its totient is φ = 404170108200.

The previous prime is 505212635209. The next prime is 505212635261. The reversal of 505212635255 is 552536212505.

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

It is not a de Polignac number, because 505212635255 - 2⁸ = 505212634999 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50521263521 + ... + 50521263530.

It is an arithmetic number, because the mean of its divisors is an integer number (151563790578).

Almost surely, 2^505212635255 is an apocalyptic number.

505212635255 is a deficient number, since it is larger than the sum of its proper divisors (101042527057).

505212635255 is a wasteful number, since it uses less digits than its factorization.

505212635255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101042527056.

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 505212635255 in words is "five hundred five billion, two hundred twelve million, six hundred thirty-five thousand, two hundred fifty-five".