11726131166 has 8 divisors (see below), whose sum is σ = 17590674744. Its totient is φ = 5862572920.

The previous prime is 11726131163. The next prime is 11726131171. The reversal of 11726131166 is 66113162711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11726131163) 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 in 3 ways as a sum of consecutive naturals, for example, 215825 + ... + 264636.

It is an arithmetic number, because the mean of its divisors is an integer number (2198834343).

Almost surely, 2^11726131166 is an apocalyptic number.

11726131166 is a deficient number, since it is larger than the sum of its proper divisors (5864543578).

11726131166 is a wasteful number, since it uses less digits than its factorization.

11726131166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492666.

The product of its digits is 9072, while the sum is 35.

Adding to 11726131166 its reverse (66113162711), we get a palindrome (77839293877).

The spelling of 11726131166 in words is "eleven billion, seven hundred twenty-six million, one hundred thirty-one thousand, one hundred sixty-six".