503245545565 has 16 divisors (see below), whose sum is σ = 690364897920. Its totient is φ = 344982870720.

The previous prime is 503245545563. The next prime is 503245545571. The reversal of 503245545565 is 565545542305.

It is not a de Polignac number, because 503245545565 - 2¹ = 503245545563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503245545563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1956075 + ... + 2198344.

It is an arithmetic number, because the mean of its divisors is an integer number (43147806120).

Almost surely, 2^503245545565 is an apocalyptic number.

It is an amenable number.

503245545565 is a deficient number, since it is larger than the sum of its proper divisors (187119352355).

503245545565 is a wasteful number, since it uses less digits than its factorization.

503245545565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157892.

The product of its (nonzero) digits is 9000000, while the sum is 49.

The spelling of 503245545565 in words is "five hundred three billion, two hundred forty-five million, five hundred forty-five thousand, five hundred sixty-five".