11128161 has 8 divisors (see below), whose sum is σ = 16186464. Its totient is φ = 6744320.

The previous prime is 11128147. The next prime is 11128207. The reversal of 11128161 is 16182111.

It is a happy number.

11128161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11128161 - 2¹¹ = 11126113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11128111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168576 + ... + 168641.

It is an arithmetic number, because the mean of its divisors is an integer number (2023308).

Almost surely, 2^11128161 is an apocalyptic number.

11128161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11128161 is a deficient number, since it is larger than the sum of its proper divisors (5058303).

11128161 is a wasteful number, since it uses less digits than its factorization.

11128161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337231.

The product of its digits is 96, while the sum is 21.

The square root of 11128161 is about 3335.8898363105. The cubic root of 11128161 is about 223.2583959370.

The spelling of 11128161 in words is "eleven million, one hundred twenty-eight thousand, one hundred sixty-one".