13511137118 has 8 divisors (see below), whose sum is σ = 20272319712. Its totient is φ = 6753697216.

The previous prime is 13511137099. The next prime is 13511137147. The reversal of 13511137118 is 81173111531.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926630 + ... + 941097.

It is an arithmetic number, because the mean of its divisors is an integer number (2534039964).

Almost surely, 2^13511137118 is an apocalyptic number.

13511137118 is a deficient number, since it is larger than the sum of its proper divisors (6761182594).

13511137118 is a wasteful number, since it uses less digits than its factorization.

13511137118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871346.

The product of its digits is 2520, while the sum is 32.

Adding to 13511137118 its reverse (81173111531), we get a palindrome (94684248649).

The spelling of 13511137118 in words is "thirteen billion, five hundred eleven million, one hundred thirty-seven thousand, one hundred eighteen".