11881066 has 16 divisors (see below), whose sum is σ = 18312480. Its totient is φ = 5779120.

The previous prime is 11881057. The next prime is 11881117. The reversal of 11881066 is 66018811.

It is a happy number.

11881066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 12156 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (1144530).

Almost surely, 2^11881066 is an apocalyptic number.

11881066 is a deficient number, since it is larger than the sum of its proper divisors (6431414).

11881066 is a wasteful number, since it uses less digits than its factorization.

11881066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 11881066 is about 3446.8922234384. The cubic root of 11881066 is about 228.1839722687.

Adding to 11881066 its reverse (66018811), we get a palindrome (77899877).

The spelling of 11881066 in words is "eleven million, eight hundred eighty-one thousand, sixty-six".