13111533007612 has 36 divisors (see below), whose sum is σ = 25374604794336. Its totient is φ = 5922721933440.

The previous prime is 13111533007603. The next prime is 13111533007747. The reversal of 13111533007612 is 21670033511131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206306089 + ... + 206369632.

It is an arithmetic number, because the mean of its divisors is an integer number (704850133176).

Almost surely, 2^{13111533007612} is an apocalyptic number.

It is an amenable number.

13111533007612 is a deficient number, since it is larger than the sum of its proper divisors (12263071786724).

13111533007612 is a wasteful number, since it uses less digits than its factorization.

13111533007612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412675798 (or 412675783 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

Adding to 13111533007612 its reverse (21670033511131), we get a palindrome (34781566518743).

The spelling of 13111533007612 in words is "thirteen trillion, one hundred eleven billion, five hundred thirty-three million, seven thousand, six hundred twelve".