11040042 has 16 divisors (see below), whose sum is σ = 23778720. Its totient is φ = 3396912.

The previous prime is 11040037. The next prime is 11040047. The reversal of 11040042 is 24004011.

It is an interprime number because it is at equal distance from previous prime (11040037) and next prime (11040047).

It is not an unprimeable number, because it can be changed into a prime (11040047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70692 + ... + 70847.

It is an arithmetic number, because the mean of its divisors is an integer number (1486170).

Almost surely, 2^11040042 is an apocalyptic number.

11040042 is an abundant number, since it is smaller than the sum of its proper divisors (12738678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11040042 is a wasteful number, since it uses less digits than its factorization.

11040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141557.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 11040042 is about 3322.6558654185. The cubic root of 11040042 is about 222.6675386717.

Adding to 11040042 its reverse (24004011), we get a palindrome (35044053).

The spelling of 11040042 in words is "eleven million, forty thousand, forty-two".