120613280565791 has 16 divisors (see below), whose sum is σ = 131372192152320. Its totient is φ = 110069211571200.

The previous prime is 120613280565683. The next prime is 120613280565797. The reversal of 120613280565791 is 197565082316021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120613280565791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120613280565797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67363631 + ... + 69130928.

It is an arithmetic number, because the mean of its divisors is an integer number (8210762009520).

Almost surely, 2^{120613280565791} is an apocalyptic number.

120613280565791 is a deficient number, since it is larger than the sum of its proper divisors (10758911586529).

120613280565791 is a wasteful number, since it uses less digits than its factorization.

120613280565791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136495346.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 120613280565791 in words is "one hundred twenty trillion, six hundred thirteen billion, two hundred eighty million, five hundred sixty-five thousand, seven hundred ninety-one".