1108980018 has 16 divisors (see below), whose sum is σ = 2464400160. Its totient is φ = 369659988.

The previous prime is 1108980017. The next prime is 1108980113. The reversal of 1108980018 is 8100898011.

It is not an unprimeable number, because it can be changed into a prime (1108980017) 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, 10268280 + ... + 10268387.

It is an arithmetic number, because the mean of its divisors is an integer number (154025010).

Almost surely, 2^1108980018 is an apocalyptic number.

1108980018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1108980018 is an abundant number, since it is smaller than the sum of its proper divisors (1355420142).

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

1108980018 is a wasteful number, since it uses less digits than its factorization.

1108980018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20536678 (or 20536672 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 36.

The square root of 1108980018 is about 33301.3515941921. The cubic root of 1108980018 is about 1035.0815646705.

The spelling of 1108980018 in words is "one billion, one hundred eight million, nine hundred eighty thousand, eighteen".