1097280000000 has 832 divisors, whose sum is σ = 4095489515520. Its totient is φ = 290304000000.

The previous prime is 1097279999999. The next prime is 1097280000007. The reversal of 1097280000000 is 827901.

1097280000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1097280000007) 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, 8639999937 + ... + 8640000063.

It is an arithmetic number, because the mean of its divisors is an integer number (4922463360).

Almost surely, 2^{1097280000000} is an apocalyptic number.

1097280000000 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 1097280000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047744757760).

1097280000000 is an abundant number, since it is smaller than the sum of its proper divisors (2998209515520).

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

1097280000000 is an frugal number, since it uses more digits than its factorization.

1097280000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

Adding to 1097280000000 its reverse (827901), we get a palindrome (1097280827901).

The spelling of 1097280000000 in words is "one trillion, ninety-seven billion, two hundred eighty million", and thus it is an aban number.