5125566260641 has 8 divisors (see below), whose sum is σ = 5172771673224. Its totient is φ = 5078393241600.

The previous prime is 5125566260623. The next prime is 5125566260729. The reversal of 5125566260641 is 1460626655215.

It can be written as a sum of positive squares in 4 ways, for example, as 443817110416 + 4681749150225 = 666196^2 + 2163735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5125566260641 - 2²⁹ = 5125029389729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5125566260621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7780416 + ... + 8413441.

It is an arithmetic number, because the mean of its divisors is an integer number (646596459153).

Almost surely, 2^{5125566260641} is an apocalyptic number.

It is an amenable number.

5125566260641 is a deficient number, since it is larger than the sum of its proper divisors (47205412583).

5125566260641 is a wasteful number, since it uses less digits than its factorization.

5125566260641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16196771.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 5125566260641 in words is "five trillion, one hundred twenty-five billion, five hundred sixty-six million, two hundred sixty thousand, six hundred forty-one".