128159501147 has 8 divisors (see below), whose sum is σ = 132816834000. Its totient is φ = 123518037664.

The previous prime is 128159501143. The next prime is 128159501177. The reversal of 128159501147 is 741105951821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128159501147 - 2² = 128159501143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128159501098 and 128159501107.

It is not an unprimeable number, because it can be changed into a prime (128159501143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3950897 + ... + 3983202.

It is an arithmetic number, because the mean of its divisors is an integer number (16602104250).

Almost surely, 2^128159501147 is an apocalyptic number.

128159501147 is a deficient number, since it is larger than the sum of its proper divisors (4657332853).

128159501147 is an equidigital number, since it uses as much as digits as its factorization.

128159501147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934685.

The product of its (nonzero) digits is 100800, while the sum is 44.

The spelling of 128159501147 in words is "one hundred twenty-eight billion, one hundred fifty-nine million, five hundred one thousand, one hundred forty-seven".