128330750885602 has 4 divisors (see below), whose sum is σ = 192496126328406. Its totient is φ = 64165375442800.

The previous prime is 128330750885527. The next prime is 128330750885681. The reversal of 128330750885602 is 206588057033821.

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

It can be written as a sum of positive squares in only one way, i.e., 119363906293641 + 8966844591961 = 10925379^2 + 2994469^2 .

It is a super-3 number, since 3×128330750885602³ (a number of 43 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32082687721399 + ... + 32082687721402.

Almost surely, 2^{128330750885602} is an apocalyptic number.

128330750885602 is a deficient number, since it is larger than the sum of its proper divisors (64165375442804).

128330750885602 is an equidigital number, since it uses as much as digits as its factorization.

128330750885602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64165375442803.

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 128330750885602 in words is "one hundred twenty-eight trillion, three hundred thirty billion, seven hundred fifty million, eight hundred eighty-five thousand, six hundred two".