11722566126 has 8 divisors (see below), whose sum is σ = 23445132264. Its totient is φ = 3907522040.

The previous prime is 11722566061. The next prime is 11722566187. The reversal of 11722566126 is 62166522711.

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

11722566126 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 976880505 + ... + 976880516.

It is an arithmetic number, because the mean of its divisors is an integer number (2930641533).

Almost surely, 2^11722566126 is an apocalyptic number.

11722566126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11722566126 is a wasteful number, since it uses less digits than its factorization.

11722566126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953761026.

The product of its digits is 60480, while the sum is 39.

The spelling of 11722566126 in words is "eleven billion, seven hundred twenty-two million, five hundred sixty-six thousand, one hundred twenty-six".