11042587 has 2 divisors, whose sum is σ = 11042588. Its totient is φ = 11042586.

The previous prime is 11042573. The next prime is 11042593. The reversal of 11042587 is 78524011.

It is a strong prime.

It is an emirp because it is prime and its reverse (78524011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11042587 - 2¹⁵ = 11009819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11042887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521293 + 5521294.

It is an arithmetic number, because the mean of its divisors is an integer number (5521294).

Almost surely, 2^11042587 is an apocalyptic number.

11042587 is a deficient number, since it is larger than the sum of its proper divisors (1).

11042587 is an equidigital number, since it uses as much as digits as its factorization.

11042587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 11042587 is about 3323.0388201163. The cubic root of 11042587 is about 222.6846474637.

Adding to 11042587 its reverse (78524011), we get a palindrome (89566598).

The spelling of 11042587 in words is "eleven million, forty-two thousand, five hundred eighty-seven".