11256155 has 8 divisors (see below), whose sum is σ = 13553232. Its totient is φ = 8974368.

The previous prime is 11256139. The next prime is 11256163. The reversal of 11256155 is 55165211.

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 11256155 - 2⁴ = 11256139 is a prime.

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, 2132 + ... + 5201.

It is an arithmetic number, because the mean of its divisors is an integer number (1694154).

Almost surely, 2^11256155 is an apocalyptic number.

11256155 is a deficient number, since it is larger than the sum of its proper divisors (2297077).

11256155 is an equidigital number, since it uses as much as digits as its factorization.

11256155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645.

The product of its digits is 1500, while the sum is 26.

The square root of 11256155 is about 3355.0193740126. The cubic root of 11256155 is about 224.1110936500. Note that the first 3 decimals are identical.

It can be divided in two parts, 11256 and 155, that added together give a palindrome (11411).

The spelling of 11256155 in words is "eleven million, two hundred fifty-six thousand, one hundred fifty-five".