1131330000000 has 512 divisors, whose sum is σ = 3848099523840. Its totient is φ = 294336000000.

The previous prime is 1131329999977. The next prime is 1131330000007. The reversal of 1131330000000 is 331311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1131330000007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1289999562 + ... + 1290000438.

Almost surely, 2^{1131330000000} is an apocalyptic number.

1131330000000 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 1131330000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1924049761920).

1131330000000 is an abundant number, since it is smaller than the sum of its proper divisors (2716769523840).

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

1131330000000 is an frugal number, since it uses more digits than its factorization.

1131330000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 12.

Adding to 1131330000000 its reverse (331311), we get a palindrome (1131330331311).

The spelling of 1131330000000 in words is "one trillion, one hundred thirty-one billion, three hundred thirty million", and thus it is an aban number.