11042518 has 4 divisors (see below), whose sum is σ = 16563780. Its totient is φ = 5521258.

The previous prime is 11042513. The next prime is 11042531. The reversal of 11042518 is 81524011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81524011 = 83 ⋅982217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760628 + ... + 2760631.

It is an arithmetic number, because the mean of its divisors is an integer number (4140945).

Almost surely, 2^11042518 is an apocalyptic number.

11042518 is a deficient number, since it is larger than the sum of its proper divisors (5521262).

11042518 is an equidigital number, since it uses as much as digits as its factorization.

11042518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521261.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 11042518 is about 3323.0284380366. The cubic root of 11042518 is about 222.6841836451.

Adding to 11042518 its reverse (81524011), we get a palindrome (92566529).

The spelling of 11042518 in words is "eleven million, forty-two thousand, five hundred eighteen".