505535022271 has 8 divisors (see below), whose sum is σ = 530248047840. Its totient is φ = 481049766912.

The previous prime is 505535022269. The next prime is 505535022277. The reversal of 505535022271 is 172220535505.

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 505535022271 - 2¹ = 505535022269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505535022271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505535022277) 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, 56938006 + ... + 56946883.

It is an arithmetic number, because the mean of its divisors is an integer number (66281005980).

Almost surely, 2^505535022271 is an apocalyptic number.

505535022271 is a deficient number, since it is larger than the sum of its proper divisors (24713025569).

505535022271 is a wasteful number, since it uses less digits than its factorization.

505535022271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113885105.

The product of its (nonzero) digits is 105000, while the sum is 37.

Adding to 505535022271 its reverse (172220535505), we get a palindrome (677755557776).

The spelling of 505535022271 in words is "five hundred five billion, five hundred thirty-five million, twenty-two thousand, two hundred seventy-one".