1108612213920 has 864 divisors, whose sum is σ = 4153204927872. Its totient is φ = 268697088000.

The previous prime is 1108612213913. The next prime is 1108612213957. The reversal of 1108612213920 is 293122168011.

1108612213920 is a `hidden beast` number, since 1 + 1 + 0 + 8 + 612 + 2 + 1 + 39 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1941527235 + ... + 1941527805.

It is an arithmetic number, because the mean of its divisors is an integer number (4806950148).

Almost surely, 2^{1108612213920} is an apocalyptic number.

1108612213920 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 1108612213920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2076602463936).

1108612213920 is an abundant number, since it is smaller than the sum of its proper divisors (3044592713952).

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

1108612213920 is a wasteful number, since it uses less digits than its factorization.

1108612213920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 1108612213920 in words is "one trillion, one hundred eight billion, six hundred twelve million, two hundred thirteen thousand, nine hundred twenty".