11220786126 has 24 divisors (see below), whose sum is σ = 26521858584. Its totient is φ = 3400238160.

The previous prime is 11220786121. The next prime is 11220786139. The reversal of 11220786126 is 62168702211.

11220786126 is a `hidden beast` number, since 1 + 12 + 20 + 7 + 8 + 612 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220786121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28335121 + ... + 28335516.

It is an arithmetic number, because the mean of its divisors is an integer number (1105077441).

Almost surely, 2^11220786126 is an apocalyptic number.

11220786126 is an abundant number, since it is smaller than the sum of its proper divisors (15301072458).

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

11220786126 is a wasteful number, since it uses less digits than its factorization.

11220786126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56670656 (or 56670653 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 11220786126 in words is "eleven billion, two hundred twenty million, seven hundred eighty-six thousand, one hundred twenty-six".