11113855 has 8 divisors (see below), whose sum is σ = 13620672. Its totient is φ = 8701728.

The previous prime is 11113849. The next prime is 11113891. The reversal of 11113855 is 55831111.

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 11113855 - 2⁹ = 11113343 is a prime.

It is a super-2 number, since 2×11113855² = 247035545922050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 23412 + ... + 23881.

It is an arithmetic number, because the mean of its divisors is an integer number (1702584).

Almost surely, 2^11113855 is an apocalyptic number.

11113855 is a deficient number, since it is larger than the sum of its proper divisors (2506817).

11113855 is an equidigital number, since it uses as much as digits as its factorization.

11113855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47345.

The product of its digits is 600, while the sum is 25.

The square root of 11113855 is about 3333.7448912597. The cubic root of 11113855 is about 223.1626836786.

Subtracting from 11113855 its product of digits (600), we obtain a triangular number (11113255 = T₄₇₁₄).

Adding to 11113855 its reverse (55831111), we get a palindrome (66944966).

The spelling of 11113855 in words is "eleven million, one hundred thirteen thousand, eight hundred fifty-five".