5125573770561 has 12 divisors (see below), whose sum is σ = 7403626387300. Its totient is φ = 3417040028160.

The previous prime is 5125573770529. The next prime is 5125573770631. The reversal of 5125573770561 is 1650773755215.

5125573770561 is a `hidden beast` number, since 5 + 1 + 2 + 5 + 5 + 7 + 3 + 7 + 70 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4735167489936 + 390406280625 = 2176044^2 + 624825^2 .

It is not a de Polignac number, because 5125573770561 - 2⁵ = 5125573770529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5125573770498 and 5125573770507.

It is not an unprimeable number, because it can be changed into a prime (5125573770761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5434365 + ... + 6307413.

Almost surely, 2^{5125573770561} is an apocalyptic number.

It is an amenable number.

5125573770561 is a deficient number, since it is larger than the sum of its proper divisors (2278052616739).

5125573770561 is a wasteful number, since it uses less digits than its factorization.

5125573770561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525376 (or 1525373 counting only the distinct ones).

The product of its (nonzero) digits is 7717500, while the sum is 54.

The spelling of 5125573770561 in words is "five trillion, one hundred twenty-five billion, five hundred seventy-three million, seven hundred seventy thousand, five hundred sixty-one".