11643282986 has 8 divisors (see below), whose sum is σ = 17466222564. Its totient is φ = 5821208800.

The previous prime is 11643282977. The next prime is 11643283019. The reversal of 11643282986 is 68928234611.

It can be written as a sum of positive squares in 2 ways, for example, as 11176506961 + 466776025 = 105719^2 + 21605^2 .

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

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, 181595 + ... + 237198.

Almost surely, 2^11643282986 is an apocalyptic number.

11643282986 is a deficient number, since it is larger than the sum of its proper divisors (5822939578).

11643282986 is a wasteful number, since it uses less digits than its factorization.

11643282986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432696.

The product of its digits is 995328, while the sum is 50.

The spelling of 11643282986 in words is "eleven billion, six hundred forty-three million, two hundred eighty-two thousand, nine hundred eighty-six".