5256171423357 has 16 divisors (see below), whose sum is σ = 7057674992640. Its totient is φ = 3479472530352.

The previous prime is 5256171423301. The next prime is 5256171423359. The reversal of 5256171423357 is 7533241716525.

It is not a de Polignac number, because 5256171423357 - 2¹¹ = 5256171421309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256171423359) 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, 9924373 + ... + 10440570.

It is an arithmetic number, because the mean of its divisors is an integer number (441104687040).

Almost surely, 2^{5256171423357} is an apocalyptic number.

It is an amenable number.

5256171423357 is a deficient number, since it is larger than the sum of its proper divisors (1801503569283).

5256171423357 is a wasteful number, since it uses less digits than its factorization.

5256171423357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20365552.

The product of its digits is 5292000, while the sum is 51.

The spelling of 5256171423357 in words is "five trillion, two hundred fifty-six billion, one hundred seventy-one million, four hundred twenty-three thousand, three hundred fifty-seven".