11659173979745 has 16 divisors (see below), whose sum is σ = 14600590536960. Its totient is φ = 8921022289344.

The previous prime is 11659173979729. The next prime is 11659173979757. The reversal of 11659173979745 is 54797937195611.

11659173979745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11659173979745 - 2⁴ = 11659173979729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3112010 + ... + 5744819.

It is an arithmetic number, because the mean of its divisors is an integer number (912536908560).

Almost surely, 2^{11659173979745} is an apocalyptic number.

It is an amenable number.

11659173979745 is a deficient number, since it is larger than the sum of its proper divisors (2941416557215).

11659173979745 is a wasteful number, since it uses less digits than its factorization.

11659173979745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8868304.

The product of its digits is 450084600, while the sum is 74.

The spelling of 11659173979745 in words is "eleven trillion, six hundred fifty-nine billion, one hundred seventy-three million, nine hundred seventy-nine thousand, seven hundred forty-five".