128002655385002 has 8 divisors (see below), whose sum is σ = 194869714168416. Its totient is φ = 63046083995532.

The previous prime is 128002655384999. The next prime is 128002655385023. The reversal of 128002655385002 is 200583556200821.

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

It is a super-2 number, since 2×128002655385002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477621848318 + ... + 477621848585.

It is an arithmetic number, because the mean of its divisors is an integer number (24358714271052).

Almost surely, 2^{128002655385002} is an apocalyptic number.

128002655385002 is a deficient number, since it is larger than the sum of its proper divisors (66867058783414).

128002655385002 is an equidigital number, since it uses as much as digits as its factorization.

128002655385002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955243696972.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 128002655385002 in words is "one hundred twenty-eight trillion, two billion, six hundred fifty-five million, three hundred eighty-five thousand, two".