11206405011 has 16 divisors (see below), whose sum is σ = 15474643200. Its totient is φ = 7205136288.

The previous prime is 11206405009. The next prime is 11206405033. The reversal of 11206405011 is 11050460211.

It is not a de Polignac number, because 11206405011 - 2¹ = 11206405009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11206405051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4560 + ... + 149778.

It is an arithmetic number, because the mean of its divisors is an integer number (967165200).

Almost surely, 2^11206405011 is an apocalyptic number.

11206405011 is a deficient number, since it is larger than the sum of its proper divisors (4268238189).

11206405011 is a wasteful number, since it uses less digits than its factorization.

11206405011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146138.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 11206405011 its reverse (11050460211), we get a palindrome (22256865222).

The spelling of 11206405011 in words is "eleven billion, two hundred six million, four hundred five thousand, eleven".