11450155 has 4 divisors (see below), whose sum is σ = 13740192. Its totient is φ = 9160120.

The previous prime is 11450149. The next prime is 11450161. The reversal of 11450155 is 55105411.

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: 55105411 = 271 ⋅203341.

It is an interprime number because it is at equal distance from previous prime (11450149) and next prime (11450161).

It is not a de Polignac number, because 11450155 - 2¹⁹ = 10925867 is a prime.

It is a super-2 number, since 2×11450155² = 262212099048050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145011 + ... + 1145020.

It is an arithmetic number, because the mean of its divisors is an integer number (3435048).

Almost surely, 2^11450155 is an apocalyptic number.

11450155 is a deficient number, since it is larger than the sum of its proper divisors (2290037).

11450155 is an equidigital number, since it uses as much as digits as its factorization.

11450155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290036.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 11450155 is about 3383.8077664075. The cubic root of 11450155 is about 225.3912862175.

Adding to 11450155 its reverse (55105411), we get a palindrome (66555566).

The spelling of 11450155 in words is "eleven million, four hundred fifty thousand, one hundred fifty-five".