13111606611 has 12 divisors (see below), whose sum is σ = 18944736720. Its totient is φ = 8738417520.

The previous prime is 13111606601. The next prime is 13111606637. The reversal of 13111606611 is 11660611131.

13111606611 is a `hidden beast` number, since 1 + 31 + 1 + 16 + 0 + 6 + 611 = 666.

13111606611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13111606611 - 2¹³ = 13111598419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13111606601) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 189600 + ... + 249341.

It is an arithmetic number, because the mean of its divisors is an integer number (1578728060).

Almost surely, 2^13111606611 is an apocalyptic number.

13111606611 is a deficient number, since it is larger than the sum of its proper divisors (5833130109).

13111606611 is a wasteful number, since it uses less digits than its factorization.

13111606611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442266 (or 442263 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 13111606611 in words is "thirteen billion, one hundred eleven million, six hundred six thousand, six hundred eleven".