11881646106 has 32 divisors (see below), whose sum is σ = 26412723648. Its totient is φ = 3532563840.

The previous prime is 11881646087. The next prime is 11881646111. The reversal of 11881646106 is 60164618811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1694851 + ... + 1701846.

It is an arithmetic number, because the mean of its divisors is an integer number (825397614).

Almost surely, 2^11881646106 is an apocalyptic number.

11881646106 is an abundant number, since it is smaller than the sum of its proper divisors (14531077542).

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

11881646106 is a wasteful number, since it uses less digits than its factorization.

11881646106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396766.

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 11881646106 in words is "eleven billion, eight hundred eighty-one million, six hundred forty-six thousand, one hundred six".