2155445165113 has 16 divisors (see below), whose sum is σ = 2166842088576. Its totient is φ = 2144078576640.

The previous prime is 2155445164907. The next prime is 2155445165143. The reversal of 2155445165113 is 3115615445512.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2155445165113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2155445165113.

It is not an unprimeable number, because it can be changed into a prime (2155445165143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753387303 + ... + 753390163.

It is an arithmetic number, because the mean of its divisors is an integer number (135427630536).

Almost surely, 2^{2155445165113} is an apocalyptic number.

It is an amenable number.

2155445165113 is a deficient number, since it is larger than the sum of its proper divisors (11396923463).

2155445165113 is a wasteful number, since it uses less digits than its factorization.

2155445165113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864.

The product of its digits is 360000, while the sum is 43.

The spelling of 2155445165113 in words is "two trillion, one hundred fifty-five billion, four hundred forty-five million, one hundred sixty-five thousand, one hundred thirteen".