503040651203 has 12 divisors (see below), whose sum is σ = 526511773368. Its totient is φ = 480575604960.

The previous prime is 503040651089. The next prime is 503040651241. The reversal of 503040651203 is 302156040305.

It is not a de Polignac number, because 503040651203 - 2²⁸ = 502772215747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503040651283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157250 + ... + 1015287.

It is an arithmetic number, because the mean of its divisors is an integer number (43875981114).

Almost surely, 2^503040651203 is an apocalyptic number.

503040651203 is a deficient number, since it is larger than the sum of its proper divisors (23471122165).

503040651203 is a wasteful number, since it uses less digits than its factorization.

503040651203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173394 (or 1173371 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 503040651203 its reverse (302156040305), we get a palindrome (805196691508).

The spelling of 503040651203 in words is "five hundred three billion, forty million, six hundred fifty-one thousand, two hundred three".