11075112166721 has 4 divisors (see below), whose sum is σ = 11076976983600. Its totient is φ = 11073247349844.

The previous prime is 11075112166697. The next prime is 11075112166759. The reversal of 11075112166721 is 12766121157011.

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 not a de Polignac number, because 11075112166721 - 2¹⁰ = 11075112165697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11075112166621) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 932399531 + ... + 932411408.

It is an arithmetic number, because the mean of its divisors is an integer number (2769244245900).

Almost surely, 2^{11075112166721} is an apocalyptic number.

It is an amenable number.

11075112166721 is a deficient number, since it is larger than the sum of its proper divisors (1864816879).

11075112166721 is an equidigital number, since it uses as much as digits as its factorization.

11075112166721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864816878.

The product of its (nonzero) digits is 35280, while the sum is 41.

The spelling of 11075112166721 in words is "eleven trillion, seventy-five billion, one hundred twelve million, one hundred sixty-six thousand, seven hundred twenty-one".