125516330163 has 80 divisors (see below), whose sum is σ = 227019386880. Its totient is φ = 67466214144.

The previous prime is 125516330153. The next prime is 125516330171. The reversal of 125516330163 is 361033615521.

125516330163 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 1 + 633 + 0 + 16 + 3 = 666.

It is not a de Polignac number, because 125516330163 - 2⁵ = 125516330131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125516330113) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 27748420 + ... + 27752942.

It is an arithmetic number, because the mean of its divisors is an integer number (2837742336).

Almost surely, 2^125516330163 is an apocalyptic number.

125516330163 is a deficient number, since it is larger than the sum of its proper divisors (101503056717).

125516330163 is a wasteful number, since it uses less digits than its factorization.

125516330163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7438 (or 7429 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

Adding to 125516330163 its reverse (361033615521), we get a palindrome (486549945684).

The spelling of 125516330163 in words is "one hundred twenty-five billion, five hundred sixteen million, three hundred thirty thousand, one hundred sixty-three".