128351863685014 has 16 divisors (see below), whose sum is σ = 200359299924000. Its totient is φ = 61591932930304.

The previous prime is 128351863684999. The next prime is 128351863685021. The reversal of 128351863685014 is 410586368153821.

It is a super-2 number, since 2×128351863685014² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6625628539 + ... + 6625647910.

It is an arithmetic number, because the mean of its divisors is an integer number (12522456245250).

Almost surely, 2^{128351863685014} is an apocalyptic number.

128351863685014 is a deficient number, since it is larger than the sum of its proper divisors (72007436238986).

128351863685014 is a wasteful number, since it uses less digits than its factorization.

128351863685014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13251276647.

The product of its (nonzero) digits is 33177600, while the sum is 61.

The spelling of 128351863685014 in words is "one hundred twenty-eight trillion, three hundred fifty-one billion, eight hundred sixty-three million, six hundred eighty-five thousand, fourteen".