11056155 has 32 divisors (see below), whose sum is σ = 19830528. Its totient is φ = 5212800.

The previous prime is 11056147. The next prime is 11056193. The reversal of 11056155 is 55165011.

It is not a de Polignac number, because 11056155 - 2³ = 11056147 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5200 + ... + 7010.

It is an arithmetic number, because the mean of its divisors is an integer number (619704).

Almost surely, 2^11056155 is an apocalyptic number.

11056155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11056155 is a deficient number, since it is larger than the sum of its proper divisors (8774373).

11056155 is a wasteful number, since it uses less digits than its factorization.

11056155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 11056155 is about 3325.0796982930. The cubic root of 11056155 is about 222.7758141648.

It can be divided in two parts, 11056 and 155, that added together give a palindrome (11211).

The spelling of 11056155 in words is "eleven million, fifty-six thousand, one hundred fifty-five".