11004855 has 16 divisors (see below), whose sum is σ = 17656704. Its totient is φ = 5852960.

The previous prime is 11004853. The next prime is 11004863. The reversal of 11004855 is 55840011.

It is not a de Polignac number, because 11004855 - 2¹ = 11004853 is a prime.

It is a super-2 number, since 2×11004855² = 242213667142050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11004853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6220 + ... + 7790.

It is an arithmetic number, because the mean of its divisors is an integer number (1103544).

Almost surely, 2^11004855 is an apocalyptic number.

11004855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11004855 is a deficient number, since it is larger than the sum of its proper divisors (6651849).

11004855 is a wasteful number, since it uses less digits than its factorization.

11004855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 11004855 is about 3317.3566284016. The cubic root of 11004855 is about 222.4307237091.

Adding to 11004855 its reverse (55840011), we get a palindrome (66844866).

The spelling of 11004855 in words is "eleven million, four thousand, eight hundred fifty-five".