11889483136 has 64 divisors (see below), whose sum is σ = 24079629600. Its totient is φ = 5846446080.

The previous prime is 11889483121. The next prime is 11889483197. The reversal of 11889483136 is 63138498811.

It is a tau number, because it is divible by the number of its divisors (64).

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, 3633181 + ... + 3636451.

Almost surely, 2^11889483136 is an apocalyptic number.

11889483136 is a gapful number since it is divisible by the number (16) 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 11889483136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12039814800).

11889483136 is an abundant number, since it is smaller than the sum of its proper divisors (12190146464).

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

11889483136 is an equidigital number, since it uses as much as digits as its factorization.

11889483136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747 (or 3735 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The spelling of 11889483136 in words is "eleven billion, eight hundred eighty-nine million, four hundred eighty-three thousand, one hundred thirty-six".