1108645888 has 96 divisors (see below), whose sum is σ = 2683044000. Its totient is φ = 447086592.

The previous prime is 1108645861. The next prime is 1108645907. The reversal of 1108645888 is 8885468011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241438 + ... + 245986.

It is an arithmetic number, because the mean of its divisors is an integer number (27948375).

Almost surely, 2^1108645888 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 1108645888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341522000).

1108645888 is an abundant number, since it is smaller than the sum of its proper divisors (1574398112).

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

1108645888 is an equidigital number, since it uses as much as digits as its factorization.

1108645888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595 (or 4575 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 49.

The square root of 1108645888 is about 33296.3344529094. The cubic root of 1108645888 is about 1034.9775993036.

The spelling of 1108645888 in words is "one billion, one hundred eight million, six hundred forty-five thousand, eight hundred eighty-eight".