128036058257 has 4 divisors (see below), whose sum is σ = 128445119460. Its totient is φ = 127626997056.

The previous prime is 128036058247. The next prime is 128036058277. The reversal of 128036058257 is 752850630821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27519160321 + 100516897936 = 165889^2 + 317044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128036058257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128036058217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204530132 + ... + 204530757.

It is an arithmetic number, because the mean of its divisors is an integer number (32111279865).

Almost surely, 2^128036058257 is an apocalyptic number.

It is an amenable number.

128036058257 is a deficient number, since it is larger than the sum of its proper divisors (409061203).

128036058257 is an equidigital number, since it uses as much as digits as its factorization.

128036058257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409061202.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 128036058257 in words is "one hundred twenty-eight billion, thirty-six million, fifty-eight thousand, two hundred fifty-seven".