11055672121 has 4 divisors (see below), whose sum is σ = 11906108452. Its totient is φ = 10205235792.

The previous prime is 11055672119. The next prime is 11055672167. The reversal of 11055672121 is 12127655011.

11055672121 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4402986025 + 6652686096 = 66355^2 + 81564^2 .

It is a cyclic number.

It is not a de Polignac number, because 11055672121 - 2¹ = 11055672119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11055670121) 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, 425218146 + ... + 425218171.

It is an arithmetic number, because the mean of its divisors is an integer number (2976527113).

Almost surely, 2^11055672121 is an apocalyptic number.

It is an amenable number.

11055672121 is a deficient number, since it is larger than the sum of its proper divisors (850436331).

11055672121 is an equidigital number, since it uses as much as digits as its factorization.

11055672121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850436330.

The product of its (nonzero) digits is 4200, while the sum is 31.

The spelling of 11055672121 in words is "eleven billion, fifty-five million, six hundred seventy-two thousand, one hundred twenty-one".