18597169319113 has 12 divisors (see below), whose sum is σ = 23600118394512. Its totient is φ = 14491300767720.

The previous prime is 18597169319107. The next prime is 18597169319117. The reversal of 18597169319113 is 31191396179581.

It is a happy number.

It is not a de Polignac number, because 18597169319113 - 2²¹ = 18597167221961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18597169319117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17251547995 + ... + 17251549072.

It is an arithmetic number, because the mean of its divisors is an integer number (1966676532876).

Almost surely, 2^{18597169319113} is an apocalyptic number.

It is an amenable number.

18597169319113 is a deficient number, since it is larger than the sum of its proper divisors (5002949075399).

18597169319113 is a wasteful number, since it uses less digits than its factorization.

18597169319113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34503097092 (or 34503097085 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 64.

The spelling of 18597169319113 in words is "eighteen trillion, five hundred ninety-seven billion, one hundred sixty-nine million, three hundred nineteen thousand, one hundred thirteen".