13503204052 has 12 divisors (see below), whose sum is σ = 25448346196. Its totient is φ = 6232248000.

The previous prime is 13503204049. The next prime is 13503204059. The reversal of 13503204052 is 25040230531.

It can be written as a sum of positive squares in 2 ways, for example, as 1525214916 + 11977989136 = 39054^2 + 109444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13503204059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129838449 + ... + 129838552.

Almost surely, 2^13503204052 is an apocalyptic number.

It is an amenable number.

13503204052 is a deficient number, since it is larger than the sum of its proper divisors (11945142144).

13503204052 is a wasteful number, since it uses less digits than its factorization.

13503204052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259677018 (or 259677016 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 13503204052 its reverse (25040230531), we get a palindrome (38543434583).

The spelling of 13503204052 in words is "thirteen billion, five hundred three million, two hundred four thousand, fifty-two".