11722277842 has 16 divisors (see below), whose sum is σ = 20015906112. Its totient is φ = 5096642320.

The previous prime is 11722277821. The next prime is 11722277887. The reversal of 11722277842 is 24877222711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11582773 + ... + 11583784.

It is an arithmetic number, because the mean of its divisors is an integer number (1250994132).

Almost surely, 2^11722277842 is an apocalyptic number.

11722277842 is a deficient number, since it is larger than the sum of its proper divisors (8293628270).

11722277842 is a wasteful number, since it uses less digits than its factorization.

11722277842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23166593.

The product of its digits is 175616, while the sum is 43.

The spelling of 11722277842 in words is "eleven billion, seven hundred twenty-two million, two hundred seventy-seven thousand, eight hundred forty-two".