5217558557125 has 8 divisors (see below), whose sum is σ = 6511513079448. Its totient is φ = 4174046845600.

The previous prime is 5217558557087. The next prime is 5217558557149.

5217558557125 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 110541620484 + 5107016936641 = 332478^2 + 2259871^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5217558557125 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5217558557125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20870234104 + ... + 20870234353.

It is an arithmetic number, because the mean of its divisors is an integer number (813939134931).

Almost surely, 2^{5217558557125} is an apocalyptic number.

It is an amenable number.

5217558557125 is a deficient number, since it is larger than the sum of its proper divisors (1293954522323).

5217558557125 is an equidigital number, since it uses as much as digits as its factorization.

5217558557125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41740468472 (or 41740468462 counting only the distinct ones).

The product of its digits is 24500000, while the sum is 58.

The spelling of 5217558557125 in words is "five trillion, two hundred seventeen billion, five hundred fifty-eight million, five hundred fifty-seven thousand, one hundred twenty-five".