11685275008 has 64 divisors (see below), whose sum is σ = 25437021120. Its totient is φ = 5302817280.

The previous prime is 11685274973. The next prime is 11685275027. The reversal of 11685275008 is 80057258611.

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, 898891 + ... + 911797.

It is an arithmetic number, because the mean of its divisors is an integer number (397453455).

Almost surely, 2^11685275008 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 11685275008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12718510560).

11685275008 is an abundant number, since it is smaller than the sum of its proper divisors (13751746112).

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

11685275008 is a wasteful number, since it uses less digits than its factorization.

11685275008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575 (or 13563 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 43.

The spelling of 11685275008 in words is "eleven billion, six hundred eighty-five million, two hundred seventy-five thousand, eight".