125532004405 has 32 divisors (see below), whose sum is σ = 164060225280. Its totient is φ = 91947947520.

The previous prime is 125532004303. The next prime is 125532004439. The reversal of 125532004405 is 504400235521.

It is not a de Polignac number, because 125532004405 - 2⁹ = 125532003893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1275 + ... + 501064.

It is an arithmetic number, because the mean of its divisors is an integer number (5126882040).

Almost surely, 2^125532004405 is an apocalyptic number.

It is an amenable number.

125532004405 is a deficient number, since it is larger than the sum of its proper divisors (38528220875).

125532004405 is a wasteful number, since it uses less digits than its factorization.

125532004405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502461.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 125532004405 its reverse (504400235521), we get a palindrome (629932239926).

The spelling of 125532004405 in words is "one hundred twenty-five billion, five hundred thirty-two million, four thousand, four hundred five".