11234155 has 4 divisors (see below), whose sum is σ = 13480992. Its totient is φ = 8987320.

The previous prime is 11234141. The next prime is 11234159. The reversal of 11234155 is 55143211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55143211 = 67 ⋅823033.

It is not a de Polignac number, because 11234155 - 2¹⁵ = 11201387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11234159) 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, 1123411 + ... + 1123420.

It is an arithmetic number, because the mean of its divisors is an integer number (3370248).

Almost surely, 2^11234155 is an apocalyptic number.

11234155 is a deficient number, since it is larger than the sum of its proper divisors (2246837).

11234155 is an equidigital number, since it uses as much as digits as its factorization.

11234155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246836.

The product of its digits is 600, while the sum is 22.

The square root of 11234155 is about 3351.7391008251. The cubic root of 11234155 is about 223.9649910742.

Adding to 11234155 its reverse (55143211), we get a palindrome (66377366).

The spelling of 11234155 in words is "eleven million, two hundred thirty-four thousand, one hundred fifty-five".