13505512001304 has 32 divisors (see below), whose sum is σ = 33771685616640. Its totient is φ = 4500783252000.

The previous prime is 13505512001197. The next prime is 13505512001329. The reversal of 13505512001304 is 40310021550531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65775472 + ... + 65980479.

It is an arithmetic number, because the mean of its divisors is an integer number (1055365175520).

Almost surely, 2^{13505512001304} is an apocalyptic number.

It is an amenable number.

13505512001304 is an abundant number, since it is smaller than the sum of its proper divisors (20266173615336).

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

13505512001304 is a wasteful number, since it uses less digits than its factorization.

13505512001304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131760231 (or 131760227 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 13505512001304 its reverse (40310021550531), we get a palindrome (53815533551835).

The spelling of 13505512001304 in words is "thirteen trillion, five hundred five billion, five hundred twelve million, one thousand, three hundred four".