30128760055171 has 2 divisors, whose sum is σ = 30128760055172. Its totient is φ = 30128760055170.

The previous prime is 30128760055123. The next prime is 30128760055183. The reversal of 30128760055171 is 17155006782103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30128760055171 - 2¹¹ = 30128760053123 is a prime.

It is not a weakly prime, because it can be changed into another prime (30128760055111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15064380027585 + 15064380027586.

It is an arithmetic number, because the mean of its divisors is an integer number (15064380027586).

Almost surely, 2^{30128760055171} is an apocalyptic number.

30128760055171 is a deficient number, since it is larger than the sum of its proper divisors (1).

30128760055171 is an equidigital number, since it uses as much as digits as its factorization.

30128760055171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 30128760055171 in words is "thirty trillion, one hundred twenty-eight billion, seven hundred sixty million, fifty-five thousand, one hundred seventy-one".