11168643584 has 80 divisors (see below), whose sum is σ = 26192990208. Its totient is φ = 4657139712.

The previous prime is 11168643559. The next prime is 11168643613. The reversal of 11168643584 is 48534686111.

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, 90497 + ... + 174719.

Almost surely, 2^11168643584 is an apocalyptic number.

11168643584 is a gapful number since it is divisible by the number (14) 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 11168643584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13096495104).

11168643584 is an abundant number, since it is smaller than the sum of its proper divisors (15024346624).

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

11168643584 is an frugal number, since it uses more digits than its factorization.

11168643584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84285 (or 84269 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The spelling of 11168643584 in words is "eleven billion, one hundred sixty-eight million, six hundred forty-three thousand, five hundred eighty-four".