125660340092161 has 8 divisors (see below), whose sum is σ = 143611951123520. Its totient is φ = 107708762529648.

The previous prime is 125660340092029. The next prime is 125660340092179. The reversal of 125660340092161 is 161290043066521.

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

It is not a de Polignac number, because 125660340092161 - 2²¹ = 125660337995009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125660340002161) 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, 273070 + ... + 15855448.

It is an arithmetic number, because the mean of its divisors is an integer number (17951493890440).

Almost surely, 2^{125660340092161} is an apocalyptic number.

It is an amenable number.

125660340092161 is a deficient number, since it is larger than the sum of its proper divisors (17951611031359).

125660340092161 is a wasteful number, since it uses less digits than its factorization.

125660340092161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16734423.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 125660340092161 in words is "one hundred twenty-five trillion, six hundred sixty billion, three hundred forty million, ninety-two thousand, one hundred sixty-one".