11687066500 has 96 divisors (see below), whose sum is σ = 27081250560. Its totient is φ = 4390848000.

The previous prime is 11687066477. The next prime is 11687066509. The reversal of 11687066500 is 566078611.

11687066500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11687066509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5362411 + ... + 5364589.

It is an arithmetic number, because the mean of its divisors is an integer number (282096360).

Almost surely, 2^11687066500 is an apocalyptic number.

11687066500 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 11687066500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13540625280).

11687066500 is an abundant number, since it is smaller than the sum of its proper divisors (15394184060).

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

11687066500 is a wasteful number, since it uses less digits than its factorization.

11687066500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2834 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 11687066500 in words is "eleven billion, six hundred eighty-seven million, sixty-six thousand, five hundred".