128061308858307 has 16 divisors (see below), whose sum is σ = 190602878302848. Its totient is φ = 75807962959680.

The previous prime is 128061308858303. The next prime is 128061308858321. The reversal of 128061308858307 is 703858803160821.

It is not a de Polignac number, because 128061308858307 - 2² = 128061308858303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128061308858303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45123786058 + ... + 45123788895.

It is an arithmetic number, because the mean of its divisors is an integer number (11912679893928).

Almost surely, 2^{128061308858307} is an apocalyptic number.

128061308858307 is a deficient number, since it is larger than the sum of its proper divisors (62541569444541).

128061308858307 is a wasteful number, since it uses less digits than its factorization.

128061308858307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90247575010.

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 128061308858307 in words is "one hundred twenty-eight trillion, sixty-one billion, three hundred eight million, eight hundred fifty-eight thousand, three hundred seven".