1109984718 has 16 divisors (see below), whose sum is σ = 2274115536. Its totient is φ = 360970560.

The previous prime is 1109984663. The next prime is 1109984741. The reversal of 1109984718 is 8174899011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2255821 + ... + 2256312.

It is an arithmetic number, because the mean of its divisors is an integer number (142132221).

Almost surely, 2^1109984718 is an apocalyptic number.

1109984718 is an abundant number, since it is smaller than the sum of its proper divisors (1164130818).

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

1109984718 is a wasteful number, since it uses less digits than its factorization.

1109984718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512179.

The product of its (nonzero) digits is 145152, while the sum is 48.

The square root of 1109984718 is about 33316.4331524249. The cubic root of 1109984718 is about 1035.3940537856.

The spelling of 1109984718 in words is "one billion, one hundred nine million, nine hundred eighty-four thousand, seven hundred eighteen".