11688996222 has 32 divisors (see below), whose sum is σ = 26162438400. Its totient is φ = 3868298424.

The previous prime is 11688996191. The next prime is 11688996223. The reversal of 11688996222 is 22269988611.

It is a happy number.

11688996222 is a `hidden beast` number, since 1 + 1 + 6 + 8 + 8 + 9 + 9 + 622 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11688996223) 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 15 ways as a sum of consecutive naturals, for example, 771138 + ... + 786149.

It is an arithmetic number, because the mean of its divisors is an integer number (817576200).

Almost surely, 2^11688996222 is an apocalyptic number.

11688996222 is an abundant number, since it is smaller than the sum of its proper divisors (14473442178).

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

11688996222 is a wasteful number, since it uses less digits than its factorization.

11688996222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557437 (or 1557431 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The spelling of 11688996222 in words is "eleven billion, six hundred eighty-eight million, nine hundred ninety-six thousand, two hundred twenty-two".