503513122413 has 8 divisors (see below), whose sum is σ = 767258091328. Its totient is φ = 287721784224.

The previous prime is 503513122403. The next prime is 503513122513. The reversal of 503513122413 is 314221315305.

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

It is not a de Polignac number, because 503513122413 - 2¹⁶ = 503513056877 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 (503513122403) 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, 11988407656 + ... + 11988407697.

It is an arithmetic number, because the mean of its divisors is an integer number (95907261416).

Almost surely, 2^503513122413 is an apocalyptic number.

It is an amenable number.

503513122413 is a deficient number, since it is larger than the sum of its proper divisors (263744968915).

503513122413 is a wasteful number, since it uses less digits than its factorization.

503513122413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23976815363.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 503513122413 its reverse (314221315305), we get a palindrome (817734437718).

The spelling of 503513122413 in words is "five hundred three billion, five hundred thirteen million, one hundred twenty-two thousand, four hundred thirteen".