128575237911560 has 64 divisors (see below), whose sum is σ = 316530246165120. Its totient is φ = 46615894133760.

The previous prime is 128575237911559. The next prime is 128575237911569. The reversal of 128575237911560 is 65119732575821.

It is a junction number, because it is equal to n+sod(n) for n = 128575237911493 and 128575237911502.

It is not an unprimeable number, because it can be changed into a prime (128575237911569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433407284 + ... + 433703843.

It is an arithmetic number, because the mean of its divisors is an integer number (4945785096330).

Almost surely, 2^{128575237911560} is an apocalyptic number.

128575237911560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128575237911560 is an abundant number, since it is smaller than the sum of its proper divisors (187955008253560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128575237911560 is a wasteful number, since it uses less digits than its factorization.

128575237911560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867111486 (or 867111482 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 62.

The spelling of 128575237911560 in words is "one hundred twenty-eight trillion, five hundred seventy-five billion, two hundred thirty-seven million, nine hundred eleven thousand, five hundred sixty".