11551207 has 2 divisors, whose sum is σ = 11551208. Its totient is φ = 11551206.

The previous prime is 11551201. The next prime is 11551213. The reversal of 11551207 is 70215511.

It is a balanced prime because it is at equal distance from previous prime (11551201) and next prime (11551213).

It is a cyclic number.

It is not a de Polignac number, because 11551207 - 2¹⁹ = 11026919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11551201) 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, 5775603 + 5775604.

It is an arithmetic number, because the mean of its divisors is an integer number (5775604).

Almost surely, 2^11551207 is an apocalyptic number.

11551207 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551207 is an equidigital number, since it uses as much as digits as its factorization.

11551207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 11551207 is about 3398.7066657774. The cubic root of 11551207 is about 226.0523999415.

Adding to 11551207 its reverse (70215511), we get a palindrome (81766718).

The spelling of 11551207 in words is "eleven million, five hundred fifty-one thousand, two hundred seven".