11511171211106 has 32 divisors (see below), whose sum is σ = 21488315472000. Its totient is φ = 4512546243072.

The previous prime is 11511171211037. The next prime is 11511171211109. The reversal of 11511171211106 is 60111217111511.

11511171211106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (11511171211109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746114351 + ... + 746129778.

It is an arithmetic number, because the mean of its divisors is an integer number (671509858500).

Almost surely, 2^{11511171211106} is an apocalyptic number.

11511171211106 is a deficient number, since it is larger than the sum of its proper divisors (9977144260894).

11511171211106 is a wasteful number, since it uses less digits than its factorization.

11511171211106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492244186.

The product of its (nonzero) digits is 420, while the sum is 29.

Adding to 11511171211106 its reverse (60111217111511), we get a palindrome (71622388322617).

The spelling of 11511171211106 in words is "eleven trillion, five hundred eleven billion, one hundred seventy-one million, two hundred eleven thousand, one hundred six".