11946864911 has 8 divisors (see below), whose sum is σ = 12379407600. Its totient is φ = 11515694400.

The previous prime is 11946864889. The next prime is 11946864931.

11946864911 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 11946864911 - 2³⁰ = 10873123087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11946864911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11946864931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325301 + ... + 360158.

It is an arithmetic number, because the mean of its divisors is an integer number (1547425950).

Almost surely, 2^11946864911 is an apocalyptic number.

11946864911 is a deficient number, since it is larger than the sum of its proper divisors (432542689).

11946864911 is an equidigital number, since it uses as much as digits as its factorization.

11946864911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686089.

The product of its digits is 373248, while the sum is 50.

The spelling of 11946864911 in words is "eleven billion, nine hundred forty-six million, eight hundred sixty-four thousand, nine hundred eleven".