531255212004 has 48 divisors (see below), whose sum is σ = 1357167986496. Its totient is φ = 160405238400.

The previous prime is 531255211999. The next prime is 531255212011. The reversal of 531255212004 is 400212552135.

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 15 ways as a sum of consecutive naturals, for example, 7228167 + ... + 7301294.

It is an arithmetic number, because the mean of its divisors is an integer number (28274333052).

Almost surely, 2^531255212004 is an apocalyptic number.

It is an amenable number.

531255212004 is an abundant number, since it is smaller than the sum of its proper divisors (825912774492).

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

531255212004 is a wasteful number, since it uses less digits than its factorization.

531255212004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14529756 (or 14529754 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 531255212004 its reverse (400212552135), we get a palindrome (931467764139).

The spelling of 531255212004 in words is "five hundred thirty-one billion, two hundred fifty-five million, two hundred twelve thousand, four".