11075391 has 6 divisors (see below), whose sum is σ = 15997800. Its totient is φ = 7383588.

The previous prime is 11075353. The next prime is 11075399. The reversal of 11075391 is 19357011.

It is a happy number.

It is not a de Polignac number, because 11075391 - 2⁶ = 11075327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11075399) 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 5 ways as a sum of consecutive naturals, for example, 615291 + ... + 615308.

It is an arithmetic number, because the mean of its divisors is an integer number (2666300).

Almost surely, 2^11075391 is an apocalyptic number.

11075391 is a deficient number, since it is larger than the sum of its proper divisors (4922409).

11075391 is a wasteful number, since it uses less digits than its factorization.

11075391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230605 (or 1230602 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 11075391 is about 3327.9710034794. The cubic root of 11075391 is about 222.9049377977.

The spelling of 11075391 in words is "eleven million, seventy-five thousand, three hundred ninety-one".