11055161 has 4 divisors (see below), whose sum is σ = 11905572. Its totient is φ = 10204752.

The previous prime is 11055139. The next prime is 11055167. The reversal of 11055161 is 16155011.

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 2085136 + 8970025 = 1444^2 + 2995^2 .

It is a cyclic number.

It is not a de Polignac number, because 11055161 - 2¹⁴ = 11038777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11055167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425186 + ... + 425211.

It is an arithmetic number, because the mean of its divisors is an integer number (2976393).

Almost surely, 2^11055161 is an apocalyptic number.

It is an amenable number.

11055161 is a deficient number, since it is larger than the sum of its proper divisors (850411).

11055161 is an equidigital number, since it uses as much as digits as its factorization.

11055161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850410.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 11055161 is about 3324.9302248318. The cubic root of 11055161 is about 222.7691377691.

Subtracting from 11055161 its product of nonzero digits (150), we obtain a palindrome (11055011).

The spelling of 11055161 in words is "eleven million, fifty-five thousand, one hundred sixty-one".