11105856 has 56 divisors (see below), whose sum is σ = 32654240. Its totient is φ = 3701376.

The previous prime is 11105833. The next prime is 11105867. The reversal of 11105856 is 65850111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 16.

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, 1486 + ... + 4941.

Almost surely, 2^11105856 is an apocalyptic number.

11105856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11105856 is an abundant number, since it is smaller than the sum of its proper divisors (21548384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11105856 is an equidigital number, since it uses as much as digits as its factorization.

11105856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6448 (or 6432 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 11105856 is about 3332.5449734400. The cubic root of 11105856 is about 223.1091317011.

Adding to 11105856 its reverse (65850111), we get a palindrome (76955967).

The spelling of 11105856 in words is "eleven million, one hundred five thousand, eight hundred fifty-six".