1089108912 has 80 divisors (see below), whose sum is σ = 2960248032. Its totient is φ = 344586240.

The previous prime is 1089108901. The next prime is 1089108941. The reversal of 1089108912 is 2198019801.

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, 65338 + ... + 80294.

Almost surely, 2^1089108912 is an apocalyptic number.

1089108912 is a gapful number since it is divisible by the number (12) 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 1089108912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480124016).

1089108912 is an abundant number, since it is smaller than the sum of its proper divisors (1871139120).

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

1089108912 is a wasteful number, since it uses less digits than its factorization.

1089108912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15046 (or 15040 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 39.

The square root of 1089108912 is about 33001.6501405612. The cubic root of 1089108912 is about 1028.8619447008.

The spelling of 1089108912 in words is "one billion, eighty-nine million, one hundred eight thousand, nine hundred twelve".