11161123 has 8 divisors (see below), whose sum is σ = 11526768. Its totient is φ = 10800384.

The previous prime is 11161097. The next prime is 11161127. The reversal of 11161123 is 32116111.

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 11161123 - 2⁵ = 11161091 is a prime.

It is a super-2 number, since 2×11161123² = 249141333242258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11161097 and 11161106.

It is not an unprimeable number, because it can be changed into a prime (11161127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3711 + ... + 6007.

It is an arithmetic number, because the mean of its divisors is an integer number (1440846).

Almost surely, 2^11161123 is an apocalyptic number.

11161123 is a deficient number, since it is larger than the sum of its proper divisors (365645).

11161123 is a wasteful number, since it uses less digits than its factorization.

11161123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453.

The product of its digits is 36, while the sum is 16.

The square root of 11161123 is about 3340.8266940983. The cubic root of 11161123 is about 223.4786116961.

Adding to 11161123 its reverse (32116111), we get a palindrome (43277234).

The spelling of 11161123 in words is "eleven million, one hundred sixty-one thousand, one hundred twenty-three".