11532559 has 2 divisors, whose sum is σ = 11532560. Its totient is φ = 11532558.

The previous prime is 11532539. The next prime is 11532569. The reversal of 11532559 is 95523511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11532559 - 2⁷ = 11532431 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11532559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11532539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766279 + 5766280.

It is an arithmetic number, because the mean of its divisors is an integer number (5766280).

Almost surely, 2^11532559 is an apocalyptic number.

11532559 is a deficient number, since it is larger than the sum of its proper divisors (1).

11532559 is an equidigital number, since it uses as much as digits as its factorization.

11532559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6750, while the sum is 31.

The square root of 11532559 is about 3395.9621611555. The cubic root of 11532559 is about 225.9306898432.

The spelling of 11532559 in words is "eleven million, five hundred thirty-two thousand, five hundred fifty-nine".