11161332306 has 20 divisors (see below), whose sum is σ = 25009652382. Its totient is φ = 3720444048.

The previous prime is 11161332293. The next prime is 11161332307. The reversal of 11161332306 is 60323316111.

11161332306 is a `hidden beast` number, since 1 + 11 + 613 + 3 + 2 + 30 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6562458081 + 4598874225 = 81009^2 + 67815^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11161332306.

It is not an unprimeable number, because it can be changed into a prime (11161332307) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34448395 + ... + 34448718.

Almost surely, 2^11161332306 is an apocalyptic number.

11161332306 is an abundant number, since it is smaller than the sum of its proper divisors (13848320076).

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

11161332306 is an equidigital number, since it uses as much as digits as its factorization.

11161332306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68897127 (or 68897118 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 11161332306 its reverse (60323316111), we get a palindrome (71484648417).

The spelling of 11161332306 in words is "eleven billion, one hundred sixty-one million, three hundred thirty-two thousand, three hundred six".