128306103161827 has 2 divisors, whose sum is σ = 128306103161828. Its totient is φ = 128306103161826.

The previous prime is 128306103161809. The next prime is 128306103161851. The reversal of 128306103161827 is 728161301603821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128306103161827 - 2⁷ = 128306103161699 is a prime.

It is a super-2 number, since 2×128306103161827² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128306103161627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64153051580913 + 64153051580914.

It is an arithmetic number, because the mean of its divisors is an integer number (64153051580914).

Almost surely, 2^{128306103161827} is an apocalyptic number.

128306103161827 is a deficient number, since it is larger than the sum of its proper divisors (1).

128306103161827 is an equidigital number, since it uses as much as digits as its factorization.

128306103161827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 128306103161827 in words is "one hundred twenty-eight trillion, three hundred six billion, one hundred three million, one hundred sixty-one thousand, eight hundred twenty-seven".