125131603063 has 16 divisors (see below), whose sum is σ = 132738550272. Its totient is φ = 117720900000.

The previous prime is 125131603043. The next prime is 125131603067. The reversal of 125131603063 is 360306131521.

It is not a de Polignac number, because 125131603063 - 2²⁹ = 124594732151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125131603067) 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, 172408 + ... + 529138.

It is an arithmetic number, because the mean of its divisors is an integer number (8296159392).

Almost surely, 2^125131603063 is an apocalyptic number.

125131603063 is a deficient number, since it is larger than the sum of its proper divisors (7606947209).

125131603063 is a wasteful number, since it uses less digits than its factorization.

125131603063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357006.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 125131603063 its reverse (360306131521), we get a palindrome (485437734584).

The spelling of 125131603063 in words is "one hundred twenty-five billion, one hundred thirty-one million, six hundred three thousand, sixty-three".