128107462336015 has 8 divisors (see below), whose sum is σ = 161819952424560. Its totient is φ = 97091971454592.

The previous prime is 128107462335967. The next prime is 128107462336033. The reversal of 128107462336015 is 510633264701821.

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

It is a de Polignac number, because none of the positive numbers 2^k-128107462336015 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128107462336015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674249801674 + ... + 674249801863.

It is an arithmetic number, because the mean of its divisors is an integer number (20227494053070).

Almost surely, 2^{128107462336015} is an apocalyptic number.

128107462336015 is a deficient number, since it is larger than the sum of its proper divisors (33712490088545).

128107462336015 is a wasteful number, since it uses less digits than its factorization.

128107462336015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348499603561.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 128107462336015 in words is "one hundred twenty-eight trillion, one hundred seven billion, four hundred sixty-two million, three hundred thirty-six thousand, fifteen".