505025300503 has 24 divisors (see below), whose sum is σ = 531921852000. Its totient is φ = 479427584064.

The previous prime is 505025300467. The next prime is 505025300513. The reversal of 505025300503 is 305003520505.

It is not a de Polignac number, because 505025300503 - 2²⁵ = 504991746071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505025300513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145580653 + ... + 145584121.

It is an arithmetic number, because the mean of its divisors is an integer number (22163410500).

Almost surely, 2^505025300503 is an apocalyptic number.

505025300503 is a deficient number, since it is larger than the sum of its proper divisors (26896551497).

505025300503 is a wasteful number, since it uses less digits than its factorization.

505025300503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511 (or 5488 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 28.

The spelling of 505025300503 in words is "five hundred five billion, twenty-five million, three hundred thousand, five hundred three".