11723279547941 has 4 divisors (see below), whose sum is σ = 12625070282412. Its totient is φ = 10821488813472.

The previous prime is 11723279547929. The next prime is 11723279547961. The reversal of 11723279547941 is 14974597232711.

It is a happy number.

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 4914441657316 + 6808837890625 = 2216854^2 + 2609375^2 .

It is a cyclic number.

It is not a de Polignac number, because 11723279547941 - 2⁴² = 7325233036837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11723279547901) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 450895367216 + ... + 450895367241.

It is an arithmetic number, because the mean of its divisors is an integer number (3156267570603).

Almost surely, 2^{11723279547941} is an apocalyptic number.

It is an amenable number.

11723279547941 is a deficient number, since it is larger than the sum of its proper divisors (901790734471).

11723279547941 is an equidigital number, since it uses as much as digits as its factorization.

11723279547941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901790734470.

The product of its digits is 26671680, while the sum is 62.

The spelling of 11723279547941 in words is "eleven trillion, seven hundred twenty-three billion, two hundred seventy-nine million, five hundred forty-seven thousand, nine hundred forty-one".