11926822319 has 4 divisors (see below), whose sum is σ = 12180584544. Its totient is φ = 11673060096.

The previous prime is 11926822309. The next prime is 11926822337. The reversal of 11926822319 is 91322862911.

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 11926822319 - 2¹² = 11926818223 is a prime.

It is a super-2 number, since 2×11926822319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11926822319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11926822309) 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, 126881042 + ... + 126881135.

It is an arithmetic number, because the mean of its divisors is an integer number (3045146136).

Almost surely, 2^11926822319 is an apocalyptic number.

11926822319 is a deficient number, since it is larger than the sum of its proper divisors (253762225).

11926822319 is an equidigital number, since it uses as much as digits as its factorization.

11926822319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253762224.

The product of its digits is 93312, while the sum is 44.

The spelling of 11926822319 in words is "eleven billion, nine hundred twenty-six million, eight hundred twenty-two thousand, three hundred nineteen".