11404020066 has 16 divisors (see below), whose sum is σ = 22809518784. Its totient is φ = 3801093584.

The previous prime is 11404020031. The next prime is 11404020107. The reversal of 11404020066 is 66002040411.

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, 55891 + ... + 161033.

It is an arithmetic number, because the mean of its divisors is an integer number (1425594924).

Almost surely, 2^11404020066 is an apocalyptic number.

11404020066 is an abundant number, since it is smaller than the sum of its proper divisors (11405498718).

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

11404020066 is a wasteful number, since it uses less digits than its factorization.

11404020066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123225.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11404020066 its reverse (66002040411), we get a palindrome (77406060477).

The spelling of 11404020066 in words is "eleven billion, four hundred four million, twenty thousand, sixty-six".