503121044125 has 16 divisors (see below), whose sum is σ = 717594359040. Its totient is φ = 344997286800.

The previous prime is 503121044099. The next prime is 503121044159. The reversal of 503121044125 is 521440121305.

It is not a de Polignac number, because 503121044125 - 2¹¹ = 503121042077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503121044093 and 503121044102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287496865 + ... + 287498614.

It is an arithmetic number, because the mean of its divisors is an integer number (44849647440).

Almost surely, 2^503121044125 is an apocalyptic number.

It is an amenable number.

503121044125 is a deficient number, since it is larger than the sum of its proper divisors (214473314915).

503121044125 is an equidigital number, since it uses as much as digits as its factorization.

503121044125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574995501 (or 574995491 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 503121044125 in words is "five hundred three billion, one hundred twenty-one million, forty-four thousand, one hundred twenty-five".