11042641 has 4 divisors (see below), whose sum is σ = 11049984. Its totient is φ = 11035300.

The previous prime is 11042627. The next prime is 11042657. The reversal of 11042641 is 14624011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11042641 - 2⁷ = 11042513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11042621) 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 in 3 ways as a sum of consecutive naturals, for example, 505 + ... + 4726.

It is an arithmetic number, because the mean of its divisors is an integer number (2762496).

Almost surely, 2^11042641 is an apocalyptic number.

It is an amenable number.

11042641 is a deficient number, since it is larger than the sum of its proper divisors (7343).

11042641 is an equidigital number, since it uses as much as digits as its factorization.

11042641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7342.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11042641 is about 3323.0469451995. The cubic root of 11042641 is about 222.6850104509.

Adding to 11042641 its reverse (14624011), we get a palindrome (25666652).

The spelling of 11042641 in words is "eleven million, forty-two thousand, six hundred forty-one".