125131538756361 has 8 divisors (see below), whose sum is σ = 168155768617984. Its totient is φ = 82764167366160.

The previous prime is 125131538756351. The next prime is 125131538756423. The reversal of 125131538756361 is 163657835131521.

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

It is not a de Polignac number, because 125131538756361 - 2¹⁰ = 125131538755337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125131538756351) 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, 164214617410 + ... + 164214618171.

It is an arithmetic number, because the mean of its divisors is an integer number (21019471077248).

Almost surely, 2^{125131538756361} is an apocalyptic number.

It is an amenable number.

125131538756361 is a deficient number, since it is larger than the sum of its proper divisors (43024229861623).

125131538756361 is a wasteful number, since it uses less digits than its factorization.

125131538756361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328429235711.

The product of its digits is 13608000, while the sum is 57.

The spelling of 125131538756361 in words is "one hundred twenty-five trillion, one hundred thirty-one billion, five hundred thirty-eight million, seven hundred fifty-six thousand, three hundred sixty-one".