1625125550125 has 32 divisors (see below), whose sum is σ = 2528610948864. Its totient is φ = 1013065272000.

The previous prime is 1625125550123. The next prime is 1625125550159. The reversal of 1625125550125 is 5210555215261.

It is a happy number.

It is not a de Polignac number, because 1625125550125 - 2¹ = 1625125550123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625125550123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84412482 + ... + 84431731.

It is an arithmetic number, because the mean of its divisors is an integer number (79019092152).

Almost surely, 2^{1625125550125} is an apocalyptic number.

It is an amenable number.

1625125550125 is a deficient number, since it is larger than the sum of its proper divisors (903485398739).

1625125550125 is a wasteful number, since it uses less digits than its factorization.

1625125550125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168844246 (or 168844236 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 40.

The spelling of 1625125550125 in words is "one trillion, six hundred twenty-five billion, one hundred twenty-five million, five hundred fifty thousand, one hundred twenty-five".