11345155 has 4 divisors (see below), whose sum is σ = 13614192. Its totient is φ = 9076120.

The previous prime is 11345153. The next prime is 11345179. The reversal of 11345155 is 55154311.

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 11345155 - 2¹ = 11345153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11345153) 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 3 ways as a sum of consecutive naturals, for example, 1134511 + ... + 1134520.

It is an arithmetic number, because the mean of its divisors is an integer number (3403548).

Almost surely, 2^11345155 is an apocalyptic number.

11345155 is a deficient number, since it is larger than the sum of its proper divisors (2269037).

11345155 is an equidigital number, since it uses as much as digits as its factorization.

11345155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269036.

The product of its digits is 1500, while the sum is 25.

The square root of 11345155 is about 3368.2569676318. The cubic root of 11345155 is about 224.7002097901.

Adding to 11345155 its reverse (55154311), we get a palindrome (66499466).

The spelling of 11345155 in words is "eleven million, three hundred forty-five thousand, one hundred fifty-five".