11057155 has 8 divisors (see below), whose sum is σ = 13308912. Its totient is φ = 8818848.

The previous prime is 11057147. The next prime is 11057171. The reversal of 11057155 is 55175011.

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

It is a cyclic number.

It is not a de Polignac number, because 11057155 - 2³ = 11057147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452 + ... + 4921.

It is an arithmetic number, because the mean of its divisors is an integer number (1663614).

Almost surely, 2^11057155 is an apocalyptic number.

11057155 is a deficient number, since it is larger than the sum of its proper divisors (2251757).

11057155 is an equidigital number, since it uses as much as digits as its factorization.

11057155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6725.

The product of its (nonzero) digits is 875, while the sum is 25.

The square root of 11057155 is about 3325.2300672284. The cubic root of 11057155 is about 222.7825304569.

The spelling of 11057155 in words is "eleven million, fifty-seven thousand, one hundred fifty-five".