11148855 has 16 divisors (see below), whose sum is σ = 18887904. Its totient is φ = 5596160.

The previous prime is 11148853. The next prime is 11148881. The reversal of 11148855 is 55884111.

It is not a de Polignac number, because 11148855 - 2¹ = 11148853 is a prime.

It is a super-2 number, since 2×11148855² = 248593935622050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11148853) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21606 + ... + 22115.

It is an arithmetic number, because the mean of its divisors is an integer number (1180494).

Almost surely, 2^11148855 is an apocalyptic number.

11148855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11148855 is a deficient number, since it is larger than the sum of its proper divisors (7739049).

11148855 is a wasteful number, since it uses less digits than its factorization.

11148855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43746.

The product of its digits is 6400, while the sum is 33.

The square root of 11148855 is about 3338.9901167868. The cubic root of 11148855 is about 223.3967011591.

The spelling of 11148855 in words is "eleven million, one hundred forty-eight thousand, eight hundred fifty-five".