125833681870161 has 16 divisors (see below), whose sum is σ = 170289003435264. Its totient is φ = 82639566208784.

The previous prime is 125833681870133. The next prime is 125833681870261. The reversal of 125833681870161 is 161078186338521.

It is a cyclic number.

It is not a de Polignac number, because 125833681870161 - 2¹³ = 125833681861969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125833681870095 and 125833681870104.

It is not an unprimeable number, because it can be changed into a prime (125833681870261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728092491 + ... + 728265296.

It is an arithmetic number, because the mean of its divisors is an integer number (10643062714704).

Almost surely, 2^{125833681870161} is an apocalyptic number.

It is an amenable number.

125833681870161 is a deficient number, since it is larger than the sum of its proper divisors (44455321565103).

125833681870161 is a wasteful number, since it uses less digits than its factorization.

125833681870161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456358220.

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 125833681870161 in words is "one hundred twenty-five trillion, eight hundred thirty-three billion, six hundred eighty-one million, eight hundred seventy thousand, one hundred sixty-one".