11026644081 has 4 divisors (see below), whose sum is σ = 14702192112. Its totient is φ = 7351096052.

The previous prime is 11026644047. The next prime is 11026644113. The reversal of 11026644081 is 18044662011.

11026644081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11026644081 - 2¹⁴ = 11026627697 is a prime.

It is a super-2 number, since 2×11026644081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11026644481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837774011 + ... + 1837774016.

It is an arithmetic number, because the mean of its divisors is an integer number (3675548028).

Almost surely, 2^11026644081 is an apocalyptic number.

It is an amenable number.

11026644081 is a deficient number, since it is larger than the sum of its proper divisors (3675548031).

11026644081 is an equidigital number, since it uses as much as digits as its factorization.

11026644081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675548030.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 11026644081 in words is "eleven billion, twenty-six million, six hundred forty-four thousand, eighty-one".