1126331294816 has 768 divisors, whose sum is σ = 3148538480640. Its totient is φ = 383639224320.

The previous prime is 1126331294813. The next prime is 1126331294821. The reversal of 1126331294816 is 6184921336211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126331294813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3844133966 + ... + 3844134258.

It is an arithmetic number, because the mean of its divisors is an integer number (4099659480).

Almost surely, 2^{1126331294816} is an apocalyptic number.

1126331294816 is a gapful number since it is divisible by the number (16) 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 1126331294816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574269240320).

1126331294816 is an abundant number, since it is smaller than the sum of its proper divisors (2022207185824).

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

1126331294816 is a wasteful number, since it uses less digits than its factorization.

1126331294816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 479 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The spelling of 1126331294816 in words is "one trillion, one hundred twenty-six billion, three hundred thirty-one million, two hundred ninety-four thousand, eight hundred sixteen".