1109913858928 has 80 divisors (see below), whose sum is σ = 2485558146240. Its totient is φ = 470292480000.

The previous prime is 1109913858883. The next prime is 1109913858947. The reversal of 1109913858928 is 8298583199011.

It is a self number, because there is not a number n which added to its sum of digits gives 1109913858928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7859728 + ... + 7999696.

It is an arithmetic number, because the mean of its divisors is an integer number (31069476828).

Almost surely, 2^{1109913858928} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109913858928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1242779073120).

1109913858928 is an abundant number, since it is smaller than the sum of its proper divisors (1375644287312).

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

1109913858928 is a wasteful number, since it uses less digits than its factorization.

1109913858928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140786 (or 140780 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 64.

The spelling of 1109913858928 in words is "one trillion, one hundred nine billion, nine hundred thirteen million, eight hundred fifty-eight thousand, nine hundred twenty-eight".