11520559 has 2 divisors, whose sum is σ = 11520560. Its totient is φ = 11520558.

The previous prime is 11520473. The next prime is 11520563. The reversal of 11520559 is 95502511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11520559 - 2²³ = 3131951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11520599) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760279 + 5760280.

It is an arithmetic number, because the mean of its divisors is an integer number (5760280).

Almost surely, 2^11520559 is an apocalyptic number.

11520559 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520559 is an equidigital number, since it uses as much as digits as its factorization.

11520559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 11520559 is about 3394.1948971737. The cubic root of 11520559 is about 225.8522999219.

The spelling of 11520559 in words is "eleven million, five hundred twenty thousand, five hundred fifty-nine".