11722243311 has 48 divisors (see below), whose sum is σ = 17730535680. Its totient is φ = 7454177280.

The previous prime is 11722243297. The next prime is 11722243399. The reversal of 11722243311 is 11334222711.

11722243311 is a `hidden beast` number, since 1 + 1 + 7 + 222 + 433 + 1 + 1 = 666.

It is not a de Polignac number, because 11722243311 - 2⁵ = 11722243279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722243811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11347251 + ... + 11348283.

It is an arithmetic number, because the mean of its divisors is an integer number (369386160).

Almost surely, 2^11722243311 is an apocalyptic number.

11722243311 is a deficient number, since it is larger than the sum of its proper divisors (6008292369).

11722243311 is a wasteful number, since it uses less digits than its factorization.

11722243311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1613 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The spelling of 11722243311 in words is "eleven billion, seven hundred twenty-two million, two hundred forty-three thousand, three hundred eleven".