11825859664 has 40 divisors (see below), whose sum is σ = 23703482880. Its totient is φ = 5709667200.

The previous prime is 11825859659. The next prime is 11825859691. The reversal of 11825859664 is 46695852811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202797 + ... + 254515.

It is an arithmetic number, because the mean of its divisors is an integer number (592587072).

Almost surely, 2^11825859664 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 11825859664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11851741440).

11825859664 is an abundant number, since it is smaller than the sum of its proper divisors (11877623216).

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

11825859664 is a wasteful number, since it uses less digits than its factorization.

11825859664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52219 (or 52213 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 55.

The spelling of 11825859664 in words is "eleven billion, eight hundred twenty-five million, eight hundred fifty-nine thousand, six hundred sixty-four".