11571612106 has 4 divisors (see below), whose sum is σ = 17357418162. Its totient is φ = 5785806052.

The previous prime is 11571612077. The next prime is 11571612131. The reversal of 11571612106 is 60121617511.

11571612106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60121617511 = 593 ⋅101385527.

It can be written as a sum of positive squares in only one way, i.e., 11248511481 + 323100625 = 106059^2 + 17975^2 .

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 as a sum of consecutive naturals, namely, 2892903025 + ... + 2892903028.

Almost surely, 2^11571612106 is an apocalyptic number.

11571612106 is a deficient number, since it is larger than the sum of its proper divisors (5785806056).

11571612106 is an equidigital number, since it uses as much as digits as its factorization.

11571612106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5785806055.

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 11571612106 in words is "eleven billion, five hundred seventy-one million, six hundred twelve thousand, one hundred six".