11644853000 has 128 divisors (see below), whose sum is σ = 31291228800. Its totient is φ = 4011552000.

The previous prime is 11644852957. The next prime is 11644853021. The reversal of 11644853000 is 35844611.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181142 + ... + 236858.

It is an arithmetic number, because the mean of its divisors is an integer number (244462725).

Almost surely, 2^11644853000 is an apocalyptic number.

11644853000 is a gapful number since it is divisible by the number (10) 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 11644853000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15645614400).

11644853000 is an abundant number, since it is smaller than the sum of its proper divisors (19646375800).

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

11644853000 is a wasteful number, since it uses less digits than its factorization.

11644853000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55768 (or 55754 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 11644853000 in words is "eleven billion, six hundred forty-four million, eight hundred fifty-three thousand".