503045011 has 16 divisors (see below), whose sum is σ = 617310720. Its totient is φ = 400095360.

The previous prime is 503044973. The next prime is 503045047. The reversal of 503045011 is 110540305.

It is not a de Polignac number, because 503045011 - 2⁹ = 503044499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503045011.

It is not an unprimeable number, because it can be changed into a prime (503045071) 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, 21321 + ... + 38218.

It is an arithmetic number, because the mean of its divisors is an integer number (38581920).

Almost surely, 2^503045011 is an apocalyptic number.

503045011 is a deficient number, since it is larger than the sum of its proper divisors (114265709).

503045011 is a wasteful number, since it uses less digits than its factorization.

503045011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59634.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 503045011 is about 22428.6649402054. The cubic root of 503045011 is about 795.3084841097.

Adding to 503045011 its reverse (110540305), we get a palindrome (613585316).

The spelling of 503045011 in words is "five hundred three million, forty-five thousand, eleven".