128201196685927 has 2 divisors, whose sum is σ = 128201196685928. Its totient is φ = 128201196685926.

The previous prime is 128201196685819. The next prime is 128201196685963. The reversal of 128201196685927 is 729586691102821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128201196685927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128201196685987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64100598342963 + 64100598342964.

It is an arithmetic number, because the mean of its divisors is an integer number (64100598342964).

Almost surely, 2^{128201196685927} is an apocalyptic number.

128201196685927 is a deficient number, since it is larger than the sum of its proper divisors (1).

128201196685927 is an equidigital number, since it uses as much as digits as its factorization.

128201196685927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 67.

The spelling of 128201196685927 in words is "one hundred twenty-eight trillion, two hundred one billion, one hundred ninety-six million, six hundred eighty-five thousand, nine hundred twenty-seven".