11722546105 has 8 divisors (see below), whose sum is σ = 14087126664. Its totient is φ = 9364656000.

The previous prime is 11722546021. The next prime is 11722546123. The reversal of 11722546105 is 50164522711.

It can be written as a sum of positive squares in 4 ways, for example, as 844890489 + 10877655616 = 29067^2 + 104296^2 .

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

It is not a de Polignac number, because 11722546105 - 2⁷ = 11722545977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668756 + ... + 1675765.

It is an arithmetic number, because the mean of its divisors is an integer number (1760890833).

Almost surely, 2^11722546105 is an apocalyptic number.

It is an amenable number.

11722546105 is a deficient number, since it is larger than the sum of its proper divisors (2364580559).

11722546105 is an equidigital number, since it uses as much as digits as its factorization.

11722546105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345227.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 11722546105 in words is "eleven billion, seven hundred twenty-two million, five hundred forty-six thousand, one hundred five".