11643234611 has 2 divisors, whose sum is σ = 11643234612. Its totient is φ = 11643234610.

The previous prime is 11643234583. The next prime is 11643234641.

It is a happy number.

11643234611 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 11643234611 - 2²² = 11639040307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11643234641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5821617305 + 5821617306.

It is an arithmetic number, because the mean of its divisors is an integer number (5821617306).

Almost surely, 2^11643234611 is an apocalyptic number.

11643234611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11643234611 is an equidigital number, since it uses as much as digits as its factorization.

11643234611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The spelling of 11643234611 in words is "eleven billion, six hundred forty-three million, two hundred thirty-four thousand, six hundred eleven".