128345515863070 has 96 divisors (see below), whose sum is σ = 254184063880320. Its totient is φ = 46625007475200.

The previous prime is 128345515862951. The next prime is 128345515863133. The reversal of 128345515863070 is 70368515543821.

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

It is a junction number, because it is equal to n+sod(n) for n = 128345515862996 and 128345515863014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8653860555 + ... + 8653875385.

It is an arithmetic number, because the mean of its divisors is an integer number (2647750665420).

Almost surely, 2^{128345515863070} is an apocalyptic number.

128345515863070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128345515863070 is a deficient number, since it is larger than the sum of its proper divisors (125838548017250).

128345515863070 is a wasteful number, since it uses less digits than its factorization.

128345515863070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21442 (or 21431 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 128345515863070 in words is "one hundred twenty-eight trillion, three hundred forty-five billion, five hundred fifteen million, eight hundred sixty-three thousand, seventy".