13513512009009 has 4 divisors (see below), whose sum is σ = 18018016012016. Its totient is φ = 9009008006004.

The previous prime is 13513512009007. The next prime is 13513512009031. The reversal of 13513512009009 is 90090021531531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13513512009009 - 2¹ = 13513512009007 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13513512009001) 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, 2252252001499 + ... + 2252252001504.

It is an arithmetic number, because the mean of its divisors is an integer number (4504504003004).

Almost surely, 2^{13513512009009} is an apocalyptic number.

It is an amenable number.

13513512009009 is a deficient number, since it is larger than the sum of its proper divisors (4504504003007).

13513512009009 is an equidigital number, since it uses as much as digits as its factorization.

13513512009009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504504003006.

The product of its (nonzero) digits is 36450, while the sum is 39.

The spelling of 13513512009009 in words is "thirteen trillion, five hundred thirteen billion, five hundred twelve million, nine thousand, nine".