503505400103 has 8 divisors (see below), whose sum is σ = 504023671200. Its totient is φ = 502987219488.

The previous prime is 503505400007. The next prime is 503505400157. The reversal of 503505400103 is 301004505305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 503505400103 - 2⁸ = 503505399847 is a prime.

It is a super-2 number, since 2×503505400103² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503505400003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19217150 + ... + 19243332.

It is an arithmetic number, because the mean of its divisors is an integer number (63002958900).

Almost surely, 2^503505400103 is an apocalyptic number.

503505400103 is a deficient number, since it is larger than the sum of its proper divisors (518271097).

503505400103 is a wasteful number, since it uses less digits than its factorization.

503505400103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45241.

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 503505400103 its reverse (301004505305), we get a palindrome (804509905408).

The spelling of 503505400103 in words is "five hundred three billion, five hundred five million, four hundred thousand, one hundred three".