125405545312 has 24 divisors (see below), whose sum is σ = 246928761576. Its totient is φ = 62693478912.

The previous prime is 125405545289. The next prime is 125405545313. The reversal of 125405545312 is 213545504521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125405545313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68553 + ... + 505480.

It is an arithmetic number, because the mean of its divisors is an integer number (10288698399).

Almost surely, 2^125405545312 is an apocalyptic number.

It is an amenable number.

125405545312 is a deficient number, since it is larger than the sum of its proper divisors (121523216264).

125405545312 is an equidigital number, since it uses as much as digits as its factorization.

125405545312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580870 (or 580862 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 125405545312 in words is "one hundred twenty-five billion, four hundred five million, five hundred forty-five thousand, three hundred twelve".