1109860608 has 72 divisors (see below), whose sum is σ = 2961756000. Its totient is φ = 368963584.

The previous prime is 1109860601. The next prime is 1109860613. The reversal of 1109860608 is 8060689011.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1109860601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320068 + ... + 323516.

It is an arithmetic number, because the mean of its divisors is an integer number (41135500).

Almost surely, 2^1109860608 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 1109860608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480878000).

1109860608 is an abundant number, since it is smaller than the sum of its proper divisors (1851895392).

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

1109860608 is an equidigital number, since it uses as much as digits as its factorization.

1109860608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887 (or 3873 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1109860608 is about 33314.5705060113. The cubic root of 1109860608 is about 1035.3554623997.

The spelling of 1109860608 in words is "one billion, one hundred nine million, eight hundred sixty thousand, six hundred eight".