128572410525056 has 16 divisors (see below), whose sum is σ = 256140349093140. Its totient is φ = 64286205262464.

The previous prime is 128572410525047. The next prime is 128572410525079. The reversal of 128572410525056 is 650525014275821.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 128572410524989 and 128572410525007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502235978486 + ... + 502235978741.

Almost surely, 2^{128572410525056} is an apocalyptic number.

128572410525056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128572410525056 is a deficient number, since it is larger than the sum of its proper divisors (127567938568084).

128572410525056 is an equidigital number, since it uses as much as digits as its factorization.

128572410525056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004471957241 (or 1004471957229 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 53.

The spelling of 128572410525056 in words is "one hundred twenty-eight trillion, five hundred seventy-two billion, four hundred ten million, five hundred twenty-five thousand, fifty-six".