125660164460159 has 4 divisors (see below), whose sum is σ = 143611616525904. Its totient is φ = 107708712394416.

The previous prime is 125660164460113. The next prime is 125660164460167. The reversal of 125660164460159 is 951064461066521.

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

It is not a de Polignac number, because 125660164460159 - 2²⁸ = 125659896024703 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 (125660164460759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8975726032862 + ... + 8975726032875.

It is an arithmetic number, because the mean of its divisors is an integer number (35902904131476).

Almost surely, 2^{125660164460159} is an apocalyptic number.

125660164460159 is a deficient number, since it is larger than the sum of its proper divisors (17951452065745).

125660164460159 is an equidigital number, since it uses as much as digits as its factorization.

125660164460159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17951452065744.

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 125660164460159 in words is "one hundred twenty-five trillion, six hundred sixty billion, one hundred sixty-four million, four hundred sixty thousand, one hundred fifty-nine".