13113111200000 has 432 divisors, whose sum is σ = 37442661516288. Its totient is φ = 4489651200000.

The previous prime is 13113111199999. The next prime is 13113111200003. The reversal of 13113111200000 is 211131131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (13113111200003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5941598897 + ... + 5941601103.

It is an arithmetic number, because the mean of its divisors is an integer number (86672827584).

Almost surely, 2^{13113111200000} is an apocalyptic number.

13113111200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13113111200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18721330758144).

13113111200000 is an abundant number, since it is smaller than the sum of its proper divisors (24329550316288).

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

13113111200000 is an frugal number, since it uses more digits than its factorization.

13113111200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316 (or 3282 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 13113111200000 its reverse (211131131), we get a palindrome (13113322331131).

The spelling of 13113111200000 in words is "thirteen trillion, one hundred thirteen billion, one hundred eleven million, two hundred thousand".