505212043411 has 4 divisors (see below), whose sum is σ = 515961235872. Its totient is φ = 494462850952.

The previous prime is 505212043361. The next prime is 505212043423. The reversal of 505212043411 is 114340212505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114340212505 = 5 ⋅22868042501.

It is a cyclic number.

It is not a de Polignac number, because 505212043411 - 2¹³ = 505212035219 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 505212043411.

It is not an unprimeable number, because it can be changed into a prime (505212043451) by changing a digit.

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, 5374596160 + ... + 5374596253.

It is an arithmetic number, because the mean of its divisors is an integer number (128990308968).

Almost surely, 2^505212043411 is an apocalyptic number.

505212043411 is a deficient number, since it is larger than the sum of its proper divisors (10749192461).

505212043411 is a wasteful number, since it uses less digits than its factorization.

505212043411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10749192460.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 505212043411 its reverse (114340212505), we get a palindrome (619552255916).

The spelling of 505212043411 in words is "five hundred five billion, two hundred twelve million, forty-three thousand, four hundred eleven".