11154 has 24 divisors (see below), whose sum is σ = 26352. Its totient is φ = 3120.

The previous prime is 11149. The next prime is 11159. The reversal of 11154 is 45111.

It is a happy number.

11154 is nontrivially palindromic in base 12.

11154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11149) and next prime (11159).

It is a plaindrome in base 15.

It is a nialpdrome in base 11 and base 13.

It is not an unprimeable number, because it can be changed into a prime (11159) by changing a digit.

11154 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 852 + ... + 864.

It is an arithmetic number, because the mean of its divisors is an integer number (1098).

2¹¹¹⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13176).

11154 is an abundant number, since it is smaller than the sum of its proper divisors (15198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11154 is a wasteful number, since it uses less digits than its factorization.

11154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42 (or 29 counting only the distinct ones).

The product of its digits is 20, while the sum is 12.

The square root of 11154 is about 105.6124992603. The cubic root of 11154 is about 22.3431060420.

Adding to 11154 its reverse (45111), we get a palindrome (56265).

The spelling of 11154 in words is "eleven thousand, one hundred fifty-four".