11926211867 has 2 divisors, whose sum is σ = 11926211868. Its totient is φ = 11926211866.

The previous prime is 11926211851. The next prime is 11926211917. The reversal of 11926211867 is 76811262911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11926211867 - 2⁴ = 11926211851 is a prime.

It is a super-4 number, since 4×11926211867⁴ (a number of 41 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (11926211837) by changing a digit.

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 as a sum of consecutive naturals, namely, 5963105933 + 5963105934.

It is an arithmetic number, because the mean of its divisors is an integer number (5963105934).

Almost surely, 2^11926211867 is an apocalyptic number.

11926211867 is a deficient number, since it is larger than the sum of its proper divisors (1).

11926211867 is an equidigital number, since it uses as much as digits as its factorization.

11926211867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 44.

The spelling of 11926211867 in words is "eleven billion, nine hundred twenty-six million, two hundred eleven thousand, eight hundred sixty-seven".