501143124144 has 80 divisors (see below), whose sum is σ = 1396481334752. Its totient is φ = 153946220544.

The previous prime is 501143124143. The next prime is 501143124149. The reversal of 501143124144 is 441421341105.

501143124144 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×501143124144³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (501143124143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272557 + ... + 1037580.

Almost surely, 2^501143124144 is an apocalyptic number.

It is an amenable number.

501143124144 is an abundant number, since it is smaller than the sum of its proper divisors (895338210608).

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

501143124144 is a wasteful number, since it uses less digits than its factorization.

501143124144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310774 (or 1310768 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 501143124144 its reverse (441421341105), we get a palindrome (942564465249).

The spelling of 501143124144 in words is "five hundred one billion, one hundred forty-three million, one hundred twenty-four thousand, one hundred forty-four".