11042555 has 8 divisors (see below), whose sum is σ = 13286832. Its totient is φ = 8810208.

The previous prime is 11042531. The next prime is 11042561. The reversal of 11042555 is 55524011.

It is a happy number.

11042555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11042555 - 2¹⁰ = 11041531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11042555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (1660854).

Almost surely, 2^11042555 is an apocalyptic number.

11042555 is a deficient number, since it is larger than the sum of its proper divisors (2244277).

11042555 is an equidigital number, since it uses as much as digits as its factorization.

11042555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5965.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 11042555 is about 3323.0340052428. The cubic root of 11042555 is about 222.6844323597.

Adding to 11042555 its reverse (55524011), we get a palindrome (66566566).

The spelling of 11042555 in words is "eleven million, forty-two thousand, five hundred fifty-five".