11220133985 has 16 divisors (see below), whose sum is σ = 13754880000. Its totient is φ = 8782412736.

The previous prime is 11220133961. The next prime is 11220134021. The reversal of 11220133985 is 58933102211.

It is a cyclic number.

It is not a de Polignac number, because 11220133985 - 2¹⁰ = 11220132961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1122791 + ... + 1132739.

It is an arithmetic number, because the mean of its divisors is an integer number (859680000).

Almost surely, 2^11220133985 is an apocalyptic number.

It is an amenable number.

11220133985 is a deficient number, since it is larger than the sum of its proper divisors (2534746015).

11220133985 is an equidigital number, since it uses as much as digits as its factorization.

11220133985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14800.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 11220133985 in words is "eleven billion, two hundred twenty million, one hundred thirty-three thousand, nine hundred eighty-five".