11722761750226 has 64 divisors (see below), whose sum is σ = 18292487592960. Its totient is φ = 5628430080000.

The previous prime is 11722761750221. The next prime is 11722761750239. The reversal of 11722761750226 is 62205716722711.

It is a happy number.

It is a super-2 number, since 2×11722761750226² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11722761750226.

It is not an unprimeable number, because it can be changed into a prime (11722761750221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5777604580 + ... + 5777606608.

It is an arithmetic number, because the mean of its divisors is an integer number (285820118640).

Almost surely, 2^{11722761750226} is an apocalyptic number.

11722761750226 is a deficient number, since it is larger than the sum of its proper divisors (6569725842734).

11722761750226 is a wasteful number, since it uses less digits than its factorization.

11722761750226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571.

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 11722761750226 in words is "eleven trillion, seven hundred twenty-two billion, seven hundred sixty-one million, seven hundred fifty thousand, two hundred twenty-six".