11345144666 has 16 divisors (see below), whose sum is σ = 17142269760. Its totient is φ = 5631144960.

The previous prime is 11345144659. The next prime is 11345144711. The reversal of 11345144666 is 66644154311.

It is a happy number.

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, 234761 + ... + 278931.

It is an arithmetic number, because the mean of its divisors is an integer number (1071391860).

Almost surely, 2^11345144666 is an apocalyptic number.

11345144666 is a deficient number, since it is larger than the sum of its proper divisors (5797125094).

11345144666 is a wasteful number, since it uses less digits than its factorization.

11345144666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45109.

The product of its digits is 207360, while the sum is 41.

Adding to 11345144666 its reverse (66644154311), we get a palindrome (77989298977).

The spelling of 11345144666 in words is "eleven billion, three hundred forty-five million, one hundred forty-four thousand, six hundred sixty-six".