11940164305 has 4 divisors (see below), whose sum is σ = 14328197172. Its totient is φ = 9552131440.

The previous prime is 11940164293. The next prime is 11940164311. The reversal of 11940164305 is 50346104911.

11940164305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8800691344 + 3139472961 = 93812^2 + 56031^2 .

It is not a de Polignac number, because 11940164305 - 2⁷ = 11940164177 is a prime.

It is a super-2 number, since 2×11940164305² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194016426 + ... + 1194016435.

It is an arithmetic number, because the mean of its divisors is an integer number (3582049293).

Almost surely, 2^11940164305 is an apocalyptic number.

It is an amenable number.

11940164305 is a deficient number, since it is larger than the sum of its proper divisors (2388032867).

11940164305 is an equidigital number, since it uses as much as digits as its factorization.

11940164305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388032866.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 11940164305 in words is "eleven billion, nine hundred forty million, one hundred sixty-four thousand, three hundred five".