7125606009 has 24 divisors (see below), whose sum is σ = 10428722304. Its totient is φ = 4687956000.

The previous prime is 7125605957. The next prime is 7125606013. The reversal of 7125606009 is 9006065217.

It is a de Polignac number, because none of the positive numbers 2^k-7125606009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7125605009) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 196704 + ... + 230094.

It is an arithmetic number, because the mean of its divisors is an integer number (434530096).

Almost surely, 2^7125606009 is an apocalyptic number.

It is an amenable number.

7125606009 is a deficient number, since it is larger than the sum of its proper divisors (3303116295).

7125606009 is a wasteful number, since it uses less digits than its factorization.

7125606009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33709 (or 33706 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 7125606009 is about 84413.3046918553. The cubic root of 7125606009 is about 1924.3051190935.

The spelling of 7125606009 in words is "seven billion, one hundred twenty-five million, six hundred six thousand, nine".