505203411104 has 144 divisors (see below), whose sum is σ = 1289543613120. Its totient is φ = 193054095360.

The previous prime is 505203411101. The next prime is 505203411107. The reversal of 505203411104 is 401114302505.

It is an interprime number because it is at equal distance from previous prime (505203411101) and next prime (505203411107).

It is a super-2 number, since 2×505203411104² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505203411101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7709 + ... + 1005219.

It is an arithmetic number, because the mean of its divisors is an integer number (8955163980).

Almost surely, 2^505203411104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505203411104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644771806560).

505203411104 is an abundant number, since it is smaller than the sum of its proper divisors (784340202016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505203411104 is a wasteful number, since it uses less digits than its factorization.

505203411104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997571 (or 997556 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 505203411104 its reverse (401114302505), we get a palindrome (906317713609).

The spelling of 505203411104 in words is "five hundred five billion, two hundred three million, four hundred eleven thousand, one hundred four".