1131301320000 has 280 divisors, whose sum is σ = 3744269575200. Its totient is φ = 301363968000.

The previous prime is 1131301319933. The next prime is 1131301320013. The reversal of 1131301320000 is 231031311.

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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 128275591 + ... + 128284409.

It is an arithmetic number, because the mean of its divisors is an integer number (13372391340).

Almost surely, 2^{1131301320000} is an apocalyptic number.

1131301320000 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 1131301320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872134787600).

1131301320000 is an abundant number, since it is smaller than the sum of its proper divisors (2612968255200).

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

1131301320000 is an equidigital number, since it uses as much as digits as its factorization.

1131301320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9923 (or 9898 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1131301320000 its reverse (231031311), we get a palindrome (1131532351311).

The spelling of 1131301320000 in words is "one trillion, one hundred thirty-one billion, three hundred one million, three hundred twenty thousand".