504424220505125 has 8 divisors (see below), whose sum is σ = 629521427190552. Its totient is φ = 403539376404000.

The previous prime is 504424220505089. The next prime is 504424220505133. The reversal of 504424220505125 is 521505022424405.

It can be written as a sum of positive squares in 4 ways, for example, as 9774683349601 + 494649537155524 = 3126449^2 + 22240718^2 .

It is not a de Polignac number, because 504424220505125 - 2⁴² = 500026173994021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017696881896 + ... + 2017696882145.

It is an arithmetic number, because the mean of its divisors is an integer number (78690178398819).

Almost surely, 2^{504424220505125} is an apocalyptic number.

It is an amenable number.

504424220505125 is a deficient number, since it is larger than the sum of its proper divisors (125097206685427).

504424220505125 is an equidigital number, since it uses as much as digits as its factorization.

504424220505125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035393764056 (or 4035393764046 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 41.

The spelling of 504424220505125 in words is "five hundred four trillion, four hundred twenty-four billion, two hundred twenty million, five hundred five thousand, one hundred twenty-five".