13111146859 has 18 divisors (see below), whose sum is σ = 13987021860. Its totient is φ = 12256064640.

The previous prime is 13111146847. The next prime is 13111146863. The reversal of 13111146859 is 95864111131.

It is a happy number.

It is not a de Polignac number, because 13111146859 - 2¹⁹ = 13110622571 is a prime.

It is a super-3 number, since 3×13111146859³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111146809) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 54402979 + ... + 54403219.

It is an arithmetic number, because the mean of its divisors is an integer number (777056770).

Almost surely, 2^13111146859 is an apocalyptic number.

13111146859 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13111146859 is a deficient number, since it is larger than the sum of its proper divisors (875875001).

13111146859 is an frugal number, since it uses more digits than its factorization.

13111146859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 369 counting only the distinct ones).

The product of its digits is 25920, while the sum is 40.

The spelling of 13111146859 in words is "thirteen billion, one hundred eleven million, one hundred forty-six thousand, eight hundred fifty-nine".