11726131189 has 2 divisors, whose sum is σ = 11726131190. Its totient is φ = 11726131188.

The previous prime is 11726131171. The next prime is 11726131201. The reversal of 11726131189 is 98113162711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10861183089 + 864948100 = 104217^2 + 29410^2 .

It is a cyclic number.

It is not a de Polignac number, because 11726131189 - 2⁷ = 11726131061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11726131129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5863065594 + 5863065595.

It is an arithmetic number, because the mean of its divisors is an integer number (5863065595).

Almost surely, 2^11726131189 is an apocalyptic number.

It is an amenable number.

11726131189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11726131189 is an equidigital number, since it uses as much as digits as its factorization.

11726131189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 40.

The spelling of 11726131189 in words is "eleven billion, seven hundred twenty-six million, one hundred thirty-one thousand, one hundred eighty-nine".