503116042565656 has 16 divisors (see below), whose sum is σ = 1015907393642400. Its totient is φ = 232207404261024.

The previous prime is 503116042565597. The next prime is 503116042565663. The reversal of 503116042565656 is 656565240611305.

It is a junction number, because it is equal to n+sod(n) for n = 503116042565597 and 503116042565606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2418827127616 + ... + 2418827127823.

It is an arithmetic number, because the mean of its divisors is an integer number (63494212102650).

Almost surely, 2^{503116042565656} is an apocalyptic number.

It is an amenable number.

503116042565656 is an abundant number, since it is smaller than the sum of its proper divisors (512791351076744).

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

503116042565656 is a wasteful number, since it uses less digits than its factorization.

503116042565656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837654255458 (or 4837654255454 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 55.

The spelling of 503116042565656 in words is "five hundred three trillion, one hundred sixteen billion, forty-two million, five hundred sixty-five thousand, six hundred fifty-six".