11000042 has 4 divisors (see below), whose sum is σ = 16500066. Its totient is φ = 5500020.

The previous prime is 11000027. The next prime is 11000053. The reversal of 11000042 is 24000011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24000011 = 7 ⋅3428573.

It can be written as a sum of positive squares in only one way, i.e., 9174841 + 1825201 = 3029^2 + 1351^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10999993 and 11000029.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750009 + ... + 2750012.

Almost surely, 2^11000042 is an apocalyptic number.

11000042 is a deficient number, since it is larger than the sum of its proper divisors (5500024).

11000042 is an equidigital number, since it uses as much as digits as its factorization.

11000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500023.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 11000042 is about 3316.6311220876. The cubic root of 11000042 is about 222.3982921086.

Adding to 11000042 its reverse (24000011), we get a palindrome (35000053).

The spelling of 11000042 in words is "eleven million, forty-two", and thus it is an aban number and an uban number.