120005355529 has 2 divisors, whose sum is σ = 120005355530. Its totient is φ = 120005355528.

The previous prime is 120005355521. The next prime is 120005355647. The reversal of 120005355529 is 925553500021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89772144400 + 30233211129 = 299620^2 + 173877^2 .

It is an emirp because it is prime and its reverse (925553500021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120005355529 - 2³ = 120005355521 is a prime.

It is not a weakly prime, because it can be changed into another prime (120005355521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60002677764 + 60002677765.

It is an arithmetic number, because the mean of its divisors is an integer number (60002677765).

Almost surely, 2^120005355529 is an apocalyptic number.

It is an amenable number.

120005355529 is a deficient number, since it is larger than the sum of its proper divisors (1).

120005355529 is an equidigital number, since it uses as much as digits as its factorization.

120005355529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 120005355529 in words is "one hundred twenty billion, five million, three hundred fifty-five thousand, five hundred twenty-nine".