120533553555201 has 12 divisors (see below), whose sum is σ = 174105033033828. Its totient is φ = 80355235647744.

The previous prime is 120533553555187. The next prime is 120533553555227. The reversal of 120533553555201 is 102555355335021.

120533553555201 is a `hidden beast` number, since 1 + 20 + 5 + 3 + 3 + 5 + 53 + 55 + 520 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70130994080625 + 50402559474576 = 8374425^2 + 7099476^2 .

It is not a de Polignac number, because 120533553555201 - 2⁶ = 120533553555137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120533553545201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37254280 + ... + 40360233.

It is an arithmetic number, because the mean of its divisors is an integer number (14508752752819).

Almost surely, 2^{120533553555201} is an apocalyptic number.

It is an amenable number.

120533553555201 is a deficient number, since it is larger than the sum of its proper divisors (53571479478627).

120533553555201 is a wasteful number, since it uses less digits than its factorization.

120533553555201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77787072 (or 77787069 counting only the distinct ones).

The product of its (nonzero) digits is 1687500, while the sum is 45.

The spelling of 120533553555201 in words is "one hundred twenty trillion, five hundred thirty-three billion, five hundred fifty-three million, five hundred fifty-five thousand, two hundred one".