503513401120 has 48 divisors (see below), whose sum is σ = 1259523970488. Its totient is φ = 189557985280.

The previous prime is 503513401081. The next prime is 503513401129. The reversal of 503513401120 is 21104315305.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 418862662416 + 84650738704 = 647196^2 + 290948^2 .

It is not an unprimeable number, because it can be changed into a prime (503513401129) 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, 92554891 + ... + 92560330.

Almost surely, 2^503513401120 is an apocalyptic number.

It is an amenable number.

503513401120 is an abundant number, since it is smaller than the sum of its proper divisors (756010569368).

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

503513401120 is a wasteful number, since it uses less digits than its factorization.

503513401120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185115253 (or 185115245 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 503513401120 its reverse (21104315305), we get a palindrome (524617716425).

The spelling of 503513401120 in words is "five hundred three billion, five hundred thirteen million, four hundred one thousand, one hundred twenty".