1089109912 has 16 divisors (see below), whose sum is σ = 2227725000. Its totient is φ = 495049920.

The previous prime is 1089109883. The next prime is 1089109951. The reversal of 1089109912 is 2199019801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6188037 + ... + 6188212.

Almost surely, 2^1089109912 is an apocalyptic number.

It is an amenable number.

1089109912 is an abundant number, since it is smaller than the sum of its proper divisors (1138615088).

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

1089109912 is a wasteful number, since it uses less digits than its factorization.

1089109912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12376266 (or 12376262 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 40.

The square root of 1089109912 is about 33001.6652913152. The cubic root of 1089109912 is about 1028.8622595948.

The spelling of 1089109912 in words is "one billion, eighty-nine million, one hundred nine thousand, nine hundred twelve".