128151487601 has 2 divisors, whose sum is σ = 128151487602. Its totient is φ = 128151487600.

The previous prime is 128151487573. The next prime is 128151487613. The reversal of 128151487601 is 106784151821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116782810225 + 11368677376 = 341735^2 + 106624^2 .

It is an emirp because it is prime and its reverse (106784151821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128151487601 - 2³⁰ = 127077745777 is a prime.

It is not a weakly prime, because it can be changed into another prime (128151487621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64075743800 + 64075743801.

It is an arithmetic number, because the mean of its divisors is an integer number (64075743801).

Almost surely, 2^128151487601 is an apocalyptic number.

It is an amenable number.

128151487601 is a deficient number, since it is larger than the sum of its proper divisors (1).

128151487601 is an equidigital number, since it uses as much as digits as its factorization.

128151487601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 44.

The spelling of 128151487601 in words is "one hundred twenty-eight billion, one hundred fifty-one million, four hundred eighty-seven thousand, six hundred one".