125731430163 has 12 divisors (see below), whose sum is σ = 181626267888. Its totient is φ = 83814398640.

The previous prime is 125731430161. The next prime is 125731430171. The reversal of 125731430163 is 361034137521.

125731430163 is a `hidden beast` number, since 1 + 257 + 314 + 30 + 1 + 63 = 666.

It is not a de Polignac number, because 125731430163 - 2¹ = 125731430161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125731430161) 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, 423295 + ... + 656232.

It is an arithmetic number, because the mean of its divisors is an integer number (15135522324).

Almost surely, 2^125731430163 is an apocalyptic number.

125731430163 is a deficient number, since it is larger than the sum of its proper divisors (55894837725).

125731430163 is a wasteful number, since it uses less digits than its factorization.

125731430163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092474 (or 1092471 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Adding to 125731430163 its reverse (361034137521), we get a palindrome (486765567684).

The spelling of 125731430163 in words is "one hundred twenty-five billion, seven hundred thirty-one million, four hundred thirty thousand, one hundred sixty-three".