503065520660 has 12 divisors (see below), whose sum is σ = 1056437593428. Its totient is φ = 201226208256.

The previous prime is 503065520653. The next prime is 503065520693. The reversal of 503065520660 is 66025560305.

It can be written as a sum of positive squares in 2 ways, for example, as 397931349124 + 105134171536 = 630818^2 + 324244^2 .

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, 12576637997 + ... + 12576638036.

It is an arithmetic number, because the mean of its divisors is an integer number (88036466119).

Almost surely, 2^503065520660 is an apocalyptic number.

It is an amenable number.

503065520660 is an abundant number, since it is smaller than the sum of its proper divisors (553372072768).

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

503065520660 is a wasteful number, since it uses less digits than its factorization.

503065520660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25153276042 (or 25153276040 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 503065520660 in words is "five hundred three billion, sixty-five million, five hundred twenty thousand, six hundred sixty".