1108997938944 has 432 divisors, whose sum is σ = 3864121497600. Its totient is φ = 298815381504.

The previous prime is 1108997938877. The next prime is 1108997938957. The reversal of 1108997938944 is 4498397998011.

1108997938944 is a `hidden beast` number, since 110 + 8 + 9 + 97 + 9 + 389 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 68326222 + ... + 68342450.

Almost surely, 2^{1108997938944} is an apocalyptic number.

1108997938944 is a gapful number since it is divisible by the number (14) 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 1108997938944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1932060748800).

1108997938944 is an abundant number, since it is smaller than the sum of its proper divisors (2755123558656).

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

1108997938944 is a wasteful number, since it uses less digits than its factorization.

1108997938944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16500 (or 16483 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 72.

The spelling of 1108997938944 in words is "one trillion, one hundred eight billion, nine hundred ninety-seven million, nine hundred thirty-eight thousand, nine hundred forty-four".