11669636112 has 80 divisors (see below), whose sum is σ = 30749424768. Its totient is φ = 3812730880.

The previous prime is 11669636093. The next prime is 11669636149. The reversal of 11669636112 is 21163696611.

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, 579688 + ... + 599480.

Almost surely, 2^11669636112 is an apocalyptic number.

11669636112 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 11669636112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15374712384).

11669636112 is an abundant number, since it is smaller than the sum of its proper divisors (19079788656).

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

11669636112 is a wasteful number, since it uses less digits than its factorization.

11669636112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20048 (or 20042 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The spelling of 11669636112 in words is "eleven billion, six hundred sixty-nine million, six hundred thirty-six thousand, one hundred twelve".