4171342587505 has 4 divisors (see below), whose sum is σ = 5005611105012. Its totient is φ = 3337074070000.

The previous prime is 4171342587491. The next prime is 4171342587541. The reversal of 4171342587505 is 5057852431714.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1565181149184 + 2606161438321 = 1251072^2 + 1614361^2 .

It is not a de Polignac number, because 4171342587505 - 2²¹ = 4171340490353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 417134258746 + ... + 417134258755.

It is an arithmetic number, because the mean of its divisors is an integer number (1251402776253).

Almost surely, 2^{4171342587505} is an apocalyptic number.

It is an amenable number.

4171342587505 is a deficient number, since it is larger than the sum of its proper divisors (834268517507).

4171342587505 is an equidigital number, since it uses as much as digits as its factorization.

4171342587505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834268517506.

The product of its (nonzero) digits is 4704000, while the sum is 52.

The spelling of 4171342587505 in words is "four trillion, one hundred seventy-one billion, three hundred forty-two million, five hundred eighty-seven thousand, five hundred five".