11243975 has 6 divisors (see below), whose sum is σ = 13942560. Its totient is φ = 8995160.

The previous prime is 11243957. The next prime is 11243983. The reversal of 11243975 is 57934211.

It is not a de Polignac number, because 11243975 - 2⁸ = 11243719 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 224855 + ... + 224904.

It is an arithmetic number, because the mean of its divisors is an integer number (2323760).

Almost surely, 2^11243975 is an apocalyptic number.

11243975 is a deficient number, since it is larger than the sum of its proper divisors (2698585).

11243975 is an equidigital number, since it uses as much as digits as its factorization.

11243975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449769 (or 449764 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 11243975 is about 3353.2036919937. The cubic root of 11243975 is about 224.0302294981.

The spelling of 11243975 in words is "eleven million, two hundred forty-three thousand, nine hundred seventy-five".