11100105555606 has 128 divisors (see below), whose sum is σ = 26244062208000. Its totient is φ = 3467735248032.

The previous prime is 11100105555599. The next prime is 11100105555629. The reversal of 11100105555606 is 60655550100111.

It is a happy number.

11100105555606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79741975 + ... + 79881053.

It is an arithmetic number, because the mean of its divisors is an integer number (205031736000).

Almost surely, 2^{11100105555606} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11100105555606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13122031104000).

11100105555606 is an abundant number, since it is smaller than the sum of its proper divisors (15143956652394).

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

11100105555606 is a wasteful number, since it uses less digits than its factorization.

11100105555606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139943 (or 139937 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

Adding to 11100105555606 its reverse (60655550100111), we get a palindrome (71755655655717).

The spelling of 11100105555606 in words is "eleven trillion, one hundred billion, one hundred five million, five hundred fifty-five thousand, six hundred six".