11255505 has 32 divisors (see below), whose sum is σ = 19251840. Its totient is φ = 5598720.

The previous prime is 11255473. The next prime is 11255507. The reversal of 11255505 is 50555211.

It is not a de Polignac number, because 11255505 - 2⁵ = 11255473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11255507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20535 + ... + 21075.

It is an arithmetic number, because the mean of its divisors is an integer number (601620).

Almost surely, 2^11255505 is an apocalyptic number.

11255505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11255505 is a deficient number, since it is larger than the sum of its proper divisors (7996335).

11255505 is a wasteful number, since it uses less digits than its factorization.

11255505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 11255505 is about 3354.9225028307. The cubic root of 11255505 is about 224.1067797134.

The spelling of 11255505 in words is "eleven million, two hundred fifty-five thousand, five hundred five".