11211053603066 has 4 divisors (see below), whose sum is σ = 16816580404602. Its totient is φ = 5605526801532.

The previous prime is 11211053603063. The next prime is 11211053603077. The reversal of 11211053603066 is 66030635011211.

11211053603066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10769587707025 + 441465896041 = 3281705^2 + 664429^2 .

It is not an unprimeable number, because it can be changed into a prime (11211053603063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802763400765 + ... + 2802763400768.

Almost surely, 2^{11211053603066} is an apocalyptic number.

11211053603066 is a deficient number, since it is larger than the sum of its proper divisors (5605526801536).

11211053603066 is an equidigital number, since it uses as much as digits as its factorization.

11211053603066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605526801535.

The product of its (nonzero) digits is 19440, while the sum is 35.

Adding to 11211053603066 its reverse (66030635011211), we get a palindrome (77241688614277).

The spelling of 11211053603066 in words is "eleven trillion, two hundred eleven billion, fifty-three million, six hundred three thousand, sixty-six".