505235052211 has 8 divisors (see below), whose sum is σ = 517045638384. Its totient is φ = 493427235840.

The previous prime is 505235052209. The next prime is 505235052227. The reversal of 505235052211 is 112250532505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505235052211 - 2¹ = 505235052209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505235052271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321070 + ... + 1055251.

It is an arithmetic number, because the mean of its divisors is an integer number (64630704798).

Almost surely, 2^505235052211 is an apocalyptic number.

505235052211 is a deficient number, since it is larger than the sum of its proper divisors (11810586173).

505235052211 is a wasteful number, since it uses less digits than its factorization.

505235052211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384901.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 505235052211 its reverse (112250532505), we get a palindrome (617485584716).

The spelling of 505235052211 in words is "five hundred five billion, two hundred thirty-five million, fifty-two thousand, two hundred eleven".