11155115 has 8 divisors (see below), whose sum is σ = 13968288. Its totient is φ = 8536000.

The previous prime is 11155091. The next prime is 11155127. The reversal of 11155115 is 51155111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11155115 - 2⁶ = 11155051 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48386 + ... + 48615.

It is an arithmetic number, because the mean of its divisors is an integer number (1746036).

Almost surely, 2^11155115 is an apocalyptic number.

11155115 is a deficient number, since it is larger than the sum of its proper divisors (2813173).

11155115 is an equidigital number, since it uses as much as digits as its factorization.

11155115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97029.

The product of its digits is 125, while the sum is 20.

The square root of 11155115 is about 3339.9273944204. The cubic root of 11155115 is about 223.4385052036.

The spelling of 11155115 in words is "eleven million, one hundred fifty-five thousand, one hundred fifteen".