11722053667 has 4 divisors (see below), whose sum is σ = 12339003880. Its totient is φ = 11105103456.

The previous prime is 11722053643. The next prime is 11722053677. The reversal of 11722053667 is 76635022711.

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

It is a cyclic number.

It is not a de Polignac number, because 11722053667 - 2²³ = 11713665059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11722053617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308475078 + ... + 308475115.

It is an arithmetic number, because the mean of its divisors is an integer number (3084750970).

Almost surely, 2^11722053667 is an apocalyptic number.

11722053667 is a deficient number, since it is larger than the sum of its proper divisors (616950213).

11722053667 is an equidigital number, since it uses as much as digits as its factorization.

11722053667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616950212.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 11722053667 in words is "eleven billion, seven hundred twenty-two million, fifty-three thousand, six hundred sixty-seven".