13155111236 has 12 divisors (see below), whose sum is σ = 23102794512. Its totient is φ = 6554312808.

The previous prime is 13155111199. The next prime is 13155111251. The reversal of 13155111236 is 63211155131.

It is a junction number, because it is equal to n+sod(n) for n = 13155111199 and 13155111208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5809430 + ... + 5811693.

It is an arithmetic number, because the mean of its divisors is an integer number (1925232876).

Almost surely, 2^13155111236 is an apocalyptic number.

It is an amenable number.

13155111236 is a deficient number, since it is larger than the sum of its proper divisors (9947683276).

13155111236 is a wasteful number, since it uses less digits than its factorization.

13155111236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11621410 (or 11621408 counting only the distinct ones).

The product of its digits is 2700, while the sum is 29.

Adding to 13155111236 its reverse (63211155131), we get a palindrome (76366266367).

The spelling of 13155111236 in words is "thirteen billion, one hundred fifty-five million, one hundred eleven thousand, two hundred thirty-six".