13111031112000 has 224 divisors, whose sum is σ = 43675754338944. Its totient is φ = 3465333760000.

The previous prime is 13111031111993. The next prime is 13111031112013. The reversal of 13111031112000 is 21113011131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 294775 + ... + 5129225.

It is an arithmetic number, because the mean of its divisors is an integer number (194981046156).

Almost surely, 2^{13111031112000} is an apocalyptic number.

13111031112000 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 13111031112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21837877169472).

13111031112000 is an abundant number, since it is smaller than the sum of its proper divisors (30564723226944).

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

13111031112000 is a wasteful number, since it uses less digits than its factorization.

13111031112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834594 (or 4834574 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 13111031112000 its reverse (21113011131), we get a palindrome (13132144123131).

The spelling of 13111031112000 in words is "thirteen trillion, one hundred eleven billion, thirty-one million, one hundred twelve thousand".