128250336348705 has 16 divisors (see below), whose sum is σ = 208011504435840. Its totient is φ = 67463190626688.

The previous prime is 128250336348689. The next prime is 128250336348707. The reversal of 128250336348705 is 507843633052821.

It is not a de Polignac number, because 128250336348705 - 2⁴ = 128250336348689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128250336348707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58561796325 + ... + 58561798514.

It is an arithmetic number, because the mean of its divisors is an integer number (13000719027240).

Almost surely, 2^{128250336348705} is an apocalyptic number.

128250336348705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128250336348705 is a deficient number, since it is larger than the sum of its proper divisors (79761168087135).

128250336348705 is a wasteful number, since it uses less digits than its factorization.

128250336348705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117123594920.

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 128250336348705 in words is "one hundred twenty-eight trillion, two hundred fifty billion, three hundred thirty-six million, three hundred forty-eight thousand, seven hundred five".