120855119993 has 2 divisors, whose sum is σ = 120855119994. Its totient is φ = 120855119992.

The previous prime is 120855119981. The next prime is 120855120049. The reversal of 120855119993 is 399911558021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84790451344 + 36064668649 = 291188^2 + 189907^2 .

It is a cyclic number.

It is not a de Polignac number, because 120855119993 - 2⁴ = 120855119977 is a prime.

It is a super-3 number, since 3×120855119993³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (120855119923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60427559996 + 60427559997.

It is an arithmetic number, because the mean of its divisors is an integer number (60427559997).

Almost surely, 2^120855119993 is an apocalyptic number.

It is an amenable number.

120855119993 is a deficient number, since it is larger than the sum of its proper divisors (1).

120855119993 is an equidigital number, since it uses as much as digits as its factorization.

120855119993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 53.

The spelling of 120855119993 in words is "one hundred twenty billion, eight hundred fifty-five million, one hundred nineteen thousand, nine hundred ninety-three".