11109726272 has 14 divisors (see below), whose sum is σ = 22045863198. Its totient is φ = 5554863104.

The previous prime is 11109726247. The next prime is 11109726289. The reversal of 11109726272 is 27262790111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10407264256 + 702462016 = 102016^2 + 26504^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86794673 + ... + 86794800.

Almost surely, 2^11109726272 is an apocalyptic number.

It is an amenable number.

11109726272 is a deficient number, since it is larger than the sum of its proper divisors (10936136926).

11109726272 is an equidigital number, since it uses as much as digits as its factorization.

11109726272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173589485 (or 173589475 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The spelling of 11109726272 in words is "eleven billion, one hundred nine million, seven hundred twenty-six thousand, two hundred seventy-two".