11726406866 has 8 divisors (see below), whose sum is σ = 17852142000. Its totient is φ = 5775692868.

The previous prime is 11726406817. The next prime is 11726406883. The reversal of 11726406866 is 66860462711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11726406866.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43755116 + ... + 43755383.

It is an arithmetic number, because the mean of its divisors is an integer number (2231517750).

Almost surely, 2^11726406866 is an apocalyptic number.

11726406866 is a deficient number, since it is larger than the sum of its proper divisors (6125735134).

11726406866 is an equidigital number, since it uses as much as digits as its factorization.

11726406866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87510568.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 11726406866 in words is "eleven billion, seven hundred twenty-six million, four hundred six thousand, eight hundred sixty-six".