11545291 has 2 divisors, whose sum is σ = 11545292. Its totient is φ = 11545290.

The previous prime is 11545273. The next prime is 11545301. The reversal of 11545291 is 19254511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11545291 - 2⁹ = 11544779 is a prime.

It is not a weakly prime, because it can be changed into another prime (11548291) 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 as a sum of consecutive naturals, namely, 5772645 + 5772646.

It is an arithmetic number, because the mean of its divisors is an integer number (5772646).

Almost surely, 2^11545291 is an apocalyptic number.

11545291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11545291 is an equidigital number, since it uses as much as digits as its factorization.

11545291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 28.

The square root of 11545291 is about 3397.8362232456. The cubic root of 11545291 is about 226.0138021174.

The spelling of 11545291 in words is "eleven million, five hundred forty-five thousand, two hundred ninety-one".