11456155 has 4 divisors (see below), whose sum is σ = 13747392. Its totient is φ = 9164920.

The previous prime is 11456153. The next prime is 11456173. The reversal of 11456155 is 55165411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11456155 - 2¹ = 11456153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11456153) 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, 1145611 + ... + 1145620.

It is an arithmetic number, because the mean of its divisors is an integer number (3436848).

Almost surely, 2^11456155 is an apocalyptic number.

11456155 is a deficient number, since it is larger than the sum of its proper divisors (2291237).

11456155 is an equidigital number, since it uses as much as digits as its factorization.

11456155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291236.

The product of its digits is 3000, while the sum is 28.

The square root of 11456155 is about 3384.6942254803. The cubic root of 11456155 is about 225.4306484669.

It can be divided in two parts, 11456 and 155, that added together give a palindrome (11611).

The spelling of 11456155 in words is "eleven million, four hundred fifty-six thousand, one hundred fifty-five".