11106115710721 has 4 divisors (see below), whose sum is σ = 11106127553200. Its totient is φ = 11106103868244.

The previous prime is 11106115710629. The next prime is 11106115710731. The reversal of 11106115710721 is 12701751160111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11106115710721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11106115710731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4380951 + ... + 6434668.

It is an arithmetic number, because the mean of its divisors is an integer number (2776531888300).

Almost surely, 2^{11106115710721} is an apocalyptic number.

It is an amenable number.

11106115710721 is a deficient number, since it is larger than the sum of its proper divisors (11842479).

11106115710721 is a wasteful number, since it uses less digits than its factorization.

11106115710721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11842478.

The product of its (nonzero) digits is 2940, while the sum is 34.

Adding to 11106115710721 its reverse (12701751160111), we get a palindrome (23807866870832).

The spelling of 11106115710721 in words is "eleven trillion, one hundred six billion, one hundred fifteen million, seven hundred ten thousand, seven hundred twenty-one".