11556656106 has 16 divisors (see below), whose sum is σ = 23128852800. Its totient is φ = 3849628608.

The previous prime is 11556656081. The next prime is 11556656227. The reversal of 11556656106 is 60165665511.

11556656106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637846 + ... + 655713.

It is an arithmetic number, because the mean of its divisors is an integer number (1445553300).

Almost surely, 2^11556656106 is an apocalyptic number.

11556656106 is an abundant number, since it is smaller than the sum of its proper divisors (11572196694).

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

11556656106 is a wasteful number, since it uses less digits than its factorization.

11556656106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295053.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 11556656106 in words is "eleven billion, five hundred fifty-six million, six hundred fifty-six thousand, one hundred six".