13111143664 has 10 divisors (see below), whose sum is σ = 25402840880. Its totient is φ = 6555571824.

The previous prime is 13111143649. The next prime is 13111143677. The reversal of 13111143664 is 46634111131.

13111143664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409723224 + ... + 409723255.

It is an arithmetic number, because the mean of its divisors is an integer number (2540284088).

Almost surely, 2^13111143664 is an apocalyptic number.

It is an amenable number.

13111143664 is a deficient number, since it is larger than the sum of its proper divisors (12291697216).

13111143664 is an equidigital number, since it uses as much as digits as its factorization.

13111143664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819446487 (or 819446481 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

Adding to 13111143664 its reverse (46634111131), we get a palindrome (59745254795).

The spelling of 13111143664 in words is "thirteen billion, one hundred eleven million, one hundred forty-three thousand, six hundred sixty-four".