11566042 has 16 divisors (see below), whose sum is σ = 17978112. Its totient is φ = 5577040.

The previous prime is 11566021. The next prime is 11566057. The reversal of 11566042 is 24066511.

It is a junction number, because it is equal to n+sod(n) for n = 11565998 and 11566016.

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, 5808 + ... + 7540.

It is an arithmetic number, because the mean of its divisors is an integer number (1123632).

Almost surely, 2^11566042 is an apocalyptic number.

11566042 is a deficient number, since it is larger than the sum of its proper divisors (6412070).

11566042 is a wasteful number, since it uses less digits than its factorization.

11566042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 11566042 is about 3400.8884133414. Note that the first 3 decimals coincide. The cubic root of 11566042 is about 226.1491301726.

The spelling of 11566042 in words is "eleven million, five hundred sixty-six thousand, forty-two".