1108780818 has 16 divisors (see below), whose sum is σ = 2232446400. Its totient is φ = 367112816.

The previous prime is 1108780793. The next prime is 1108780847. The reversal of 1108780818 is 8180878011.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1108780818.

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, 619230 + ... + 621017.

It is an arithmetic number, because the mean of its divisors is an integer number (139527900).

Almost surely, 2^1108780818 is an apocalyptic number.

1108780818 is an abundant number, since it is smaller than the sum of its proper divisors (1123665582).

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

1108780818 is a wasteful number, since it uses less digits than its factorization.

1108780818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240401.

The product of its (nonzero) digits is 28672, while the sum is 42.

The square root of 1108780818 is about 33298.3605902753. The cubic root of 1108780818 is about 1035.0195856174.

The spelling of 1108780818 in words is "one billion, one hundred eight million, seven hundred eighty thousand, eight hundred eighteen".