503155416852 has 576 divisors, whose sum is σ = 1514411458560. Its totient is φ = 139403980800.

The previous prime is 503155416839. The next prime is 503155416859. The reversal of 503155416852 is 258614551305.

503155416852 is a `hidden beast` number, since 5 + 0 + 3 + 1 + 554 + 16 + 85 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 503155416798 and 503155416807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503155416859) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3961853613 + ... + 3961853739.

It is an arithmetic number, because the mean of its divisors is an integer number (2629186560).

Almost surely, 2^503155416852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503155416852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757205729280).

503155416852 is an abundant number, since it is smaller than the sum of its proper divisors (1011256041708).

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

503155416852 is a wasteful number, since it uses less digits than its factorization.

503155416852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 503155416852 in words is "five hundred three billion, one hundred fifty-five million, four hundred sixteen thousand, eight hundred fifty-two".