5126878344171 has 4 divisors (see below), whose sum is σ = 6835837792232. Its totient is φ = 3417918896112.

The previous prime is 5126878344157. The next prime is 5126878344187. The reversal of 5126878344171 is 1714438786215.

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

It is not a de Polignac number, because 5126878344171 - 2⁷ = 5126878344043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5126878344191) 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 3 ways as a sum of consecutive naturals, for example, 854479724026 + ... + 854479724031.

It is an arithmetic number, because the mean of its divisors is an integer number (1708959448058).

Almost surely, 2^{5126878344171} is an apocalyptic number.

5126878344171 is a deficient number, since it is larger than the sum of its proper divisors (1708959448061).

5126878344171 is a wasteful number, since it uses less digits than its factorization.

5126878344171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708959448060.

The product of its digits is 9031680, while the sum is 57.

The spelling of 5126878344171 in words is "five trillion, one hundred twenty-six billion, eight hundred seventy-eight million, three hundred forty-four thousand, one hundred seventy-one".