501552112140 has 144 divisors (see below), whose sum is σ = 1634910836832. Its totient is φ = 124000892928.

The previous prime is 501552112111. The next prime is 501552112141. The reversal of 501552112140 is 41211255105.

It is a happy number.

501552112140 is a `hidden beast` number, since 5 + 0 + 15 + 521 + 121 + 4 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (501552112141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1018159 + ... + 1428198.

It is an arithmetic number, because the mean of its divisors is an integer number (11353547478).

Almost surely, 2^501552112140 is an apocalyptic number.

It is an amenable number.

501552112140 is an abundant number, since it is smaller than the sum of its proper divisors (1133358724692).

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

501552112140 is a wasteful number, since it uses less digits than its factorization.

501552112140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446456 (or 2446451 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

Adding to 501552112140 its reverse (41211255105), we get a palindrome (542763367245).

The spelling of 501552112140 in words is "five hundred one billion, five hundred fifty-two million, one hundred twelve thousand, one hundred forty".