13111331315412 has 48 divisors (see below), whose sum is σ = 33374632338432. Its totient is φ = 3973090886880.

The previous prime is 13111331315399. The next prime is 13111331315413. The reversal of 13111331315412 is 21451313311131.

It is a self number, because there is not a number n which added to its sum of digits gives 13111331315412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111331315413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14409493 + ... + 15292355.

It is an arithmetic number, because the mean of its divisors is an integer number (695304840384).

Almost surely, 2^{13111331315412} is an apocalyptic number.

13111331315412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13111331315412 is an abundant number, since it is smaller than the sum of its proper divisors (20263301023020).

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

13111331315412 is a wasteful number, since it uses less digits than its factorization.

13111331315412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995388 (or 995386 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

Adding to 13111331315412 its reverse (21451313311131), we get a palindrome (34562644626543).

The spelling of 13111331315412 in words is "thirteen trillion, one hundred eleven billion, three hundred thirty-one million, three hundred fifteen thousand, four hundred twelve".