320053553121 has 16 divisors (see below), whose sum is σ = 434077736960. Its totient is φ = 209723426640.

The previous prime is 320053553107. The next prime is 320053553167. The reversal of 320053553121 is 121355350023.

It is not a de Polignac number, because 320053553121 - 2¹⁰ = 320053552097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320053753121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2975035 + ... + 3080736.

It is an arithmetic number, because the mean of its divisors is an integer number (27129858560).

Almost surely, 2^320053553121 is an apocalyptic number.

It is an amenable number.

320053553121 is a deficient number, since it is larger than the sum of its proper divisors (114024183839).

320053553121 is a wasteful number, since it uses less digits than its factorization.

320053553121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056076.

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 320053553121 in words is "three hundred twenty billion, fifty-three million, five hundred fifty-three thousand, one hundred twenty-one".