504251005504 has 14 divisors (see below), whose sum is σ = 1000623089174. Its totient is φ = 252125502720.

The previous prime is 504251005487. The next prime is 504251005507. The reversal of 504251005504 is 405500152405.

It can be written as a sum of positive squares in only one way, i.e., 365241339904 + 139009665600 = 604352^2 + 372840^2 .

It is not an unprimeable number, because it can be changed into a prime (504251005507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3939460917 + ... + 3939461044.

Almost surely, 2^504251005504 is an apocalyptic number.

It is an amenable number.

504251005504 is a deficient number, since it is larger than the sum of its proper divisors (496372083670).

504251005504 is an equidigital number, since it uses as much as digits as its factorization.

504251005504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878921973 (or 7878921963 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 504251005504 its reverse (405500152405), we get a palindrome (909751157909).

The spelling of 504251005504 in words is "five hundred four billion, two hundred fifty-one million, five thousand, five hundred four".