128151651770719 has 8 divisors (see below), whose sum is σ = 135225973536480. Its totient is φ = 121202539239936.

The previous prime is 128151651770713. The next prime is 128151651770729. The reversal of 128151651770719 is 917077156151821.

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 128151651770719 - 2³⁹ = 127601895956831 is a prime.

It is a super-2 number, since 2×128151651770719² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128151651770713) 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, 31302306642 + ... + 31302310735.

It is an arithmetic number, because the mean of its divisors is an integer number (16903246692060).

Almost surely, 2^{128151651770719} is an apocalyptic number.

128151651770719 is a deficient number, since it is larger than the sum of its proper divisors (7074321765761).

128151651770719 is an equidigital number, since it uses as much as digits as its factorization.

128151651770719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62604617489.

The product of its (nonzero) digits is 7408800, while the sum is 61.

The spelling of 128151651770719 in words is "one hundred twenty-eight trillion, one hundred fifty-one billion, six hundred fifty-one million, seven hundred seventy thousand, seven hundred nineteen".