11147075 has 6 divisors (see below), whose sum is σ = 13822404. Its totient is φ = 8917640.

The previous prime is 11147069. The next prime is 11147077. The reversal of 11147075 is 57074111.

It is not a de Polignac number, because 11147075 - 2⁸ = 11146819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11147077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222917 + ... + 222966.

It is an arithmetic number, because the mean of its divisors is an integer number (2303734).

Almost surely, 2^11147075 is an apocalyptic number.

11147075 is a deficient number, since it is larger than the sum of its proper divisors (2675329).

11147075 is an equidigital number, since it uses as much as digits as its factorization.

11147075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445893 (or 445888 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 11147075 is about 3338.7235584876. The cubic root of 11147075 is about 223.3848115289.

The spelling of 11147075 in words is "eleven million, one hundred forty-seven thousand, seventy-five".