503545125066 has 64 divisors (see below), whose sum is σ = 1030071893760. Its totient is φ = 164066918400.

The previous prime is 503545125053. The next prime is 503545125067. The reversal of 503545125066 is 660521545305.

503545125066 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (503545125067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33048586 + ... + 33063818.

It is an arithmetic number, because the mean of its divisors is an integer number (16094873340).

Almost surely, 2^503545125066 is an apocalyptic number.

503545125066 is an abundant number, since it is smaller than the sum of its proper divisors (526526768694).

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

503545125066 is a wasteful number, since it uses less digits than its factorization.

503545125066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16031.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 503545125066 in words is "five hundred three billion, five hundred forty-five million, one hundred twenty-five thousand, sixty-six".