125125145163 has 12 divisors (see below), whose sum is σ = 183024123360. Its totient is φ = 82360854576.

The previous prime is 125125145153. The next prime is 125125145209. The reversal of 125125145163 is 361541521521.

125125145163 is a `hidden beast` number, since 1 + 2 + 5 + 125 + 14 + 516 + 3 = 666.

It is not a de Polignac number, because 125125145163 - 2¹² = 125125141067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125125145113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87991656 + ... + 87993077.

It is an arithmetic number, because the mean of its divisors is an integer number (15252010280).

Almost surely, 2^125125145163 is an apocalyptic number.

125125145163 is a deficient number, since it is larger than the sum of its proper divisors (57898978197).

125125145163 is a wasteful number, since it uses less digits than its factorization.

125125145163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175984818 (or 175984815 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

Adding to 125125145163 its reverse (361541521521), we get a palindrome (486666666684).

The spelling of 125125145163 in words is "one hundred twenty-five billion, one hundred twenty-five million, one hundred forty-five thousand, one hundred sixty-three".