13543111146 has 32 divisors (see below), whose sum is σ = 27243777600. Its totient is φ = 4488183936.

The previous prime is 13543111123. The next prime is 13543111193. The reversal of 13543111146 is 64111134531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767430 + ... + 784878.

It is an arithmetic number, because the mean of its divisors is an integer number (851368050).

Almost surely, 2^13543111146 is an apocalyptic number.

13543111146 is an abundant number, since it is smaller than the sum of its proper divisors (13700666454).

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

13543111146 is a wasteful number, since it uses less digits than its factorization.

13543111146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18198.

The product of its digits is 4320, while the sum is 30.

Adding to 13543111146 its reverse (64111134531), we get a palindrome (77654245677).

The spelling of 13543111146 in words is "thirteen billion, five hundred forty-three million, one hundred eleven thousand, one hundred forty-six".