11327163121 has 8 divisors (see below), whose sum is σ = 12073962600. Its totient is φ = 10589307648.

The previous prime is 11327163103. The next prime is 11327163143. The reversal of 11327163121 is 12136172311.

11327163121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1723163121 + 9604000000 = 41511^2 + 98000^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11327163121 - 2¹¹ = 11327161073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11327163121.

It is not an unprimeable number, because it can be changed into a prime (11327169121) 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 7 ways as a sum of consecutive naturals, for example, 2233386 + ... + 2238451.

It is an arithmetic number, because the mean of its divisors is an integer number (1509245325).

Almost surely, 2^11327163121 is an apocalyptic number.

It is an amenable number.

11327163121 is a deficient number, since it is larger than the sum of its proper divisors (746799479).

11327163121 is a wasteful number, since it uses less digits than its factorization.

11327163121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472003.

The product of its digits is 1512, while the sum is 28.

The spelling of 11327163121 in words is "eleven billion, three hundred twenty-seven million, one hundred sixty-three thousand, one hundred twenty-one".