10986646651 has 4 divisors (see below), whose sum is σ = 10986917112. Its totient is φ = 10986376192.

The previous prime is 10986646613. The next prime is 10986646669. The reversal of 10986646651 is 15664668901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10986646651 - 2⁷ = 10986646523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10986643651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60550 + ... + 160123.

It is an arithmetic number, because the mean of its divisors is an integer number (2746729278).

Almost surely, 2^10986646651 is an apocalyptic number.

10986646651 is a deficient number, since it is larger than the sum of its proper divisors (270461).

10986646651 is an equidigital number, since it uses as much as digits as its factorization.

10986646651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270460.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 10986646651 in words is "ten billion, nine hundred eighty-six million, six hundred forty-six thousand, six hundred fifty-one".