120520055145593 has 2 divisors, whose sum is σ = 120520055145594. Its totient is φ = 120520055145592.

The previous prime is 120520055145481. The next prime is 120520055145643. The reversal of 120520055145593 is 395541550025021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110964587164729 + 9555467980864 = 10533973^2 + 3091192^2 .

It is an emirp because it is prime and its reverse (395541550025021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120520055145593 - 2³⁶ = 120451335668857 is a prime.

It is not a weakly prime, because it can be changed into another prime (120520055145293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60260027572796 + 60260027572797.

It is an arithmetic number, because the mean of its divisors is an integer number (60260027572797).

Almost surely, 2^{120520055145593} is an apocalyptic number.

It is an amenable number.

120520055145593 is a deficient number, since it is larger than the sum of its proper divisors (1).

120520055145593 is an equidigital number, since it uses as much as digits as its factorization.

120520055145593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350000, while the sum is 47.

The spelling of 120520055145593 in words is "one hundred twenty trillion, five hundred twenty billion, fifty-five million, one hundred forty-five thousand, five hundred ninety-three".