11884689408 has 96 divisors (see below), whose sum is σ = 32158788480. Its totient is φ = 3902300160.

The previous prime is 11884689391. The next prime is 11884689413. The reversal of 11884689408 is 80498648811.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397213 + ... + 426083.

It is an arithmetic number, because the mean of its divisors is an integer number (334987380).

Almost surely, 2^11884689408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11884689408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16079394240).

11884689408 is an abundant number, since it is smaller than the sum of its proper divisors (20274099072).

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

11884689408 is an equidigital number, since it uses as much as digits as its factorization.

11884689408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28963 (or 28943 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 57.

The spelling of 11884689408 in words is "eleven billion, eight hundred eighty-four million, six hundred eighty-nine thousand, four hundred eight".