11685852609500 has 48 divisors (see below), whose sum is σ = 25636350335232. Its totient is φ = 4653379828800.

The previous prime is 11685852609499. The next prime is 11685852609503. The reversal of 11685852609500 is 590625858611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11685852609503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52291427 + ... + 52514426.

It is an arithmetic number, because the mean of its divisors is an integer number (534090631984).

Almost surely, 2^{11685852609500} is an apocalyptic number.

11685852609500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11685852609500 is an abundant number, since it is smaller than the sum of its proper divisors (13950497725732).

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

11685852609500 is a wasteful number, since it uses less digits than its factorization.

11685852609500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104806095 (or 104806083 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 56.

The spelling of 11685852609500 in words is "eleven trillion, six hundred eighty-five billion, eight hundred fifty-two million, six hundred nine thousand, five hundred".