108911000 has 64 divisors (see below), whose sum is σ = 278048160. Its totient is φ = 39600000.

The previous prime is 108910981. The next prime is 108911039. The reversal of 108911000 is 119801.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6050 + ... + 15950.

Almost surely, 2^108911000 is an apocalyptic number.

108911000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108911000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139024080).

108911000 is an abundant number, since it is smaller than the sum of its proper divisors (169137160).

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

108911000 is a wasteful number, since it uses less digits than its factorization.

108911000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9933 (or 9919 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 108911000 is about 10436.0433115238. The cubic root of 108911000 is about 477.5555704082. Note that the first 4 decimals are identical.

The spelling of 108911000 in words is "one hundred eight million, nine hundred eleven thousand".