11455559 has 2 divisors, whose sum is σ = 11455560. Its totient is φ = 11455558.

The previous prime is 11455547. The next prime is 11455571. The reversal of 11455559 is 95555411.

It is a balanced prime because it is at equal distance from previous prime (11455547) and next prime (11455571).

It is a cyclic number.

It is not a de Polignac number, because 11455559 - 2⁸ = 11455303 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11455589) by changing a digit.

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 as a sum of consecutive naturals, namely, 5727779 + 5727780.

It is an arithmetic number, because the mean of its divisors is an integer number (5727780).

Almost surely, 2^11455559 is an apocalyptic number.

11455559 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455559 is an equidigital number, since it uses as much as digits as its factorization.

11455559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22500, while the sum is 35.

The square root of 11455559 is about 3384.6061809315. The cubic root of 11455559 is about 225.4267390984.

The spelling of 11455559 in words is "eleven million, four hundred fifty-five thousand, five hundred fifty-nine".