11243755 has 12 divisors (see below), whose sum is σ = 13690080. Its totient is φ = 8865024.

The previous prime is 11243753. The next prime is 11243759. The reversal of 11243755 is 55734211.

It is a happy number.

It is not a de Polignac number, because 11243755 - 2¹ = 11243753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243753) 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 11 ways as a sum of consecutive naturals, for example, 46926 + ... + 47164.

It is an arithmetic number, because the mean of its divisors is an integer number (1140840).

Almost surely, 2^11243755 is an apocalyptic number.

11243755 is a deficient number, since it is larger than the sum of its proper divisors (2446325).

11243755 is an frugal number, since it uses more digits than its factorization.

11243755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 341 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 11243755 is about 3353.1708873841. The cubic root of 11243755 is about 224.0287683608.

Adding to 11243755 its reverse (55734211), we get a palindrome (66977966).

The spelling of 11243755 in words is "eleven million, two hundred forty-three thousand, seven hundred fifty-five".