108711018 has 64 divisors (see below), whose sum is σ = 271514880. Its totient is φ = 31990464.

The previous prime is 108711013. The next prime is 108711059. The reversal of 108711018 is 810117801.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 108710982 and 108711000.

It is not an unprimeable number, because it can be changed into a prime (108711013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12780 + ... + 19512.

It is an arithmetic number, because the mean of its divisors is an integer number (4242420).

Almost surely, 2^108711018 is an apocalyptic number.

108711018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 108711018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135757440).

108711018 is an abundant number, since it is smaller than the sum of its proper divisors (162803862).

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

108711018 is a wasteful number, since it uses less digits than its factorization.

108711018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780 (or 6774 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 27.

The square root of 108711018 is about 10426.4575959431. The cubic root of 108711018 is about 477.2630960283.

Adding to 108711018 its reverse (810117801), we get a palindrome (918828819).

The spelling of 108711018 in words is "one hundred eight million, seven hundred eleven thousand, eighteen".