505053544120 has 128 divisors (see below), whose sum is σ = 1206667468800. Its totient is φ = 189713373696.

The previous prime is 505053544067. The next prime is 505053544189. The reversal of 505053544120 is 21445350505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186571807 + ... + 186574513.

It is an arithmetic number, because the mean of its divisors is an integer number (9427089600).

Almost surely, 2^505053544120 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 505053544120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603333734400).

505053544120 is an abundant number, since it is smaller than the sum of its proper divisors (701613924680).

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

505053544120 is a wasteful number, since it uses less digits than its factorization.

505053544120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4797 (or 4793 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 505053544120 its reverse (21445350505), we get a palindrome (526498894625).

The spelling of 505053544120 in words is "five hundred five billion, fifty-three million, five hundred forty-four thousand, one hundred twenty".