13443581117 has 8 divisors (see below), whose sum is σ = 13887904512. Its totient is φ = 12999924000.

The previous prime is 13443581089. The next prime is 13443581141. The reversal of 13443581117 is 71118534431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13443581117 - 2²⁰ = 13442532541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443583117) 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, 125384 + ... + 206417.

It is an arithmetic number, because the mean of its divisors is an integer number (1735988064).

Almost surely, 2^13443581117 is an apocalyptic number.

It is an amenable number.

13443581117 is a deficient number, since it is larger than the sum of its proper divisors (444323395).

13443581117 is a wasteful number, since it uses less digits than its factorization.

13443581117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333139.

The product of its digits is 40320, while the sum is 38.

The spelling of 13443581117 in words is "thirteen billion, four hundred forty-three million, five hundred eighty-one thousand, one hundred seventeen".