1131331112000 has 224 divisors, whose sum is σ = 2900537662464. Its totient is φ = 436660224000.

The previous prime is 1131331111891. The next prime is 1131331112011. The reversal of 1131331112000 is 2111331311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131331112000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87537539 + ... + 87550461.

Almost surely, 2^{1131331112000} is an apocalyptic number.

1131331112000 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 1131331112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450268831232).

1131331112000 is an abundant number, since it is smaller than the sum of its proper divisors (1769206550464).

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

1131331112000 is a wasteful number, since it uses less digits than its factorization.

1131331112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334 (or 13314 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1131331112000 its reverse (2111331311), we get a palindrome (1133442443311).

The spelling of 1131331112000 in words is "one trillion, one hundred thirty-one billion, three hundred thirty-one million, one hundred twelve thousand".