125410606565 has 4 divisors (see below), whose sum is σ = 150492727884. Its totient is φ = 100328485248.

The previous prime is 125410606553. The next prime is 125410606567. The reversal of 125410606565 is 565606014521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 94152012964 + 31258593601 = 306842^2 + 176801^2 .

It is a cyclic number.

It is not a de Polignac number, because 125410606565 - 2⁴ = 125410606549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125410606567) 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, 12541060652 + ... + 12541060661.

It is an arithmetic number, because the mean of its divisors is an integer number (37623181971).

Almost surely, 2^125410606565 is an apocalyptic number.

It is an amenable number.

125410606565 is a deficient number, since it is larger than the sum of its proper divisors (25082121319).

125410606565 is an equidigital number, since it uses as much as digits as its factorization.

125410606565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25082121318.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 125410606565 in words is "one hundred twenty-five billion, four hundred ten million, six hundred six thousand, five hundred sixty-five".