1091369037312 has 640 divisors, whose sum is σ = 3464778240000. Its totient is φ = 338214445056.

The previous prime is 1091369037299. The next prime is 1091369037329. The reversal of 1091369037312 is 2137309631901.

1091369037312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6097033639 + ... + 6097033817.

It is an arithmetic number, because the mean of its divisors is an integer number (5413716000).

Almost surely, 2^{1091369037312} is an apocalyptic number.

1091369037312 is a gapful number since it is divisible by the number (12) 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 1091369037312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732389120000).

1091369037312 is an abundant number, since it is smaller than the sum of its proper divisors (2373409202688).

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

1091369037312 is a wasteful number, since it uses less digits than its factorization.

1091369037312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The spelling of 1091369037312 in words is "one trillion, ninety-one billion, three hundred sixty-nine million, thirty-seven thousand, three hundred twelve".