8085126323505 has 128 divisors (see below), whose sum is σ = 17062428672000. Its totient is φ = 3167209900800.

The previous prime is 8085126323489. The next prime is 8085126323509. The reversal of 8085126323505 is 5053236215808.

It is not a de Polignac number, because 8085126323505 - 2⁴ = 8085126323489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8085126323509) 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 127 ways as a sum of consecutive naturals, for example, 3441360 + ... + 5292750.

It is an arithmetic number, because the mean of its divisors is an integer number (133300224000).

Almost surely, 2^{8085126323505} is an apocalyptic number.

It is an amenable number.

8085126323505 is an abundant number, since it is smaller than the sum of its proper divisors (8977302348495).

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

8085126323505 is a wasteful number, since it uses less digits than its factorization.

8085126323505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851635.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 8085126323505 in words is "eight trillion, eighty-five billion, one hundred twenty-six million, three hundred twenty-three thousand, five hundred five".