505441204420011 has 16 divisors (see below), whose sum is σ = 684451523065728. Its totient is φ = 331702776504000.

The previous prime is 505441204419967. The next prime is 505441204420051. The reversal of 505441204420011 is 110024402144505.

It is not a de Polignac number, because 505441204420011 - 2¹⁸ = 505441204157867 is a prime.

It is a super-2 number, since 2×505441204420011² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505441204420051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866225530 + ... + 866808831.

It is an arithmetic number, because the mean of its divisors is an integer number (42778220191608).

Almost surely, 2^{505441204420011} is an apocalyptic number.

505441204420011 is a deficient number, since it is larger than the sum of its proper divisors (179010318645717).

505441204420011 is a wasteful number, since it uses less digits than its factorization.

505441204420011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733035882.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 505441204420011 its reverse (110024402144505), we get a palindrome (615465606564516).

The spelling of 505441204420011 in words is "five hundred five trillion, four hundred forty-one billion, two hundred four million, four hundred twenty thousand, eleven".