503261320213452 has 48 divisors (see below), whose sum is σ = 1199452083217920. Its totient is φ = 164158386497472.

The previous prime is 503261320213381. The next prime is 503261320213501. The reversal of 503261320213452 is 254312023162305.

It is a self number, because there is not a number n which added to its sum of digits gives 503261320213452.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67537302 + ... + 74617757.

It is an arithmetic number, because the mean of its divisors is an integer number (24988585067040).

Almost surely, 2^{503261320213452} is an apocalyptic number.

It is an amenable number.

503261320213452 is an abundant number, since it is smaller than the sum of its proper divisors (696190763004468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503261320213452 is a wasteful number, since it uses less digits than its factorization.

503261320213452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142161390 (or 142161388 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 503261320213452 its reverse (254312023162305), we get a palindrome (757573343375757).

The spelling of 503261320213452 in words is "five hundred three trillion, two hundred sixty-one billion, three hundred twenty million, two hundred thirteen thousand, four hundred fifty-two".