11528652489844 has 96 divisors (see below), whose sum is σ = 25439677562880. Its totient is φ = 4457214355968.

The previous prime is 11528652489797. The next prime is 11528652489853. The reversal of 11528652489844 is 44898425682511.

It is a self number, because there is not a number n which added to its sum of digits gives 11528652489844.

It is a congruent number.

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, 616092 + ... + 4841164.

It is an arithmetic number, because the mean of its divisors is an integer number (264996641280).

Almost surely, 2^{11528652489844} is an apocalyptic number.

11528652489844 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 11528652489844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12719838781440).

11528652489844 is an abundant number, since it is smaller than the sum of its proper divisors (13911025073036).

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

11528652489844 is a wasteful number, since it uses less digits than its factorization.

11528652489844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225349 (or 4225347 counting only the distinct ones).

The product of its digits is 176947200, while the sum is 67.

The spelling of 11528652489844 in words is "eleven trillion, five hundred twenty-eight billion, six hundred fifty-two million, four hundred eighty-nine thousand, eight hundred forty-four".