1131011332112 has 80 divisors (see below), whose sum is σ = 2368154714112. Its totient is φ = 521952520320.

The previous prime is 1131011332093. The next prime is 1131011332193. The reversal of 1131011332112 is 2112331101311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767513 + ... + 1688519.

Almost surely, 2^{1131011332112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131011332112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184077357056).

1131011332112 is an abundant number, since it is smaller than the sum of its proper divisors (1237143382000).

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

1131011332112 is a wasteful number, since it uses less digits than its factorization.

1131011332112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921156 (or 921150 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1131011332112 its reverse (2112331101311), we get a palindrome (3243342433423).

The spelling of 1131011332112 in words is "one trillion, one hundred thirty-one billion, eleven million, three hundred thirty-two thousand, one hundred twelve".