9113125028 has 12 divisors (see below), whose sum is σ = 18226250112. Its totient is φ = 3905625000.

The previous prime is 9113125013. The next prime is 9113125031. The reversal of 9113125028 is 8205213119.

It is a happy number.

9113125028 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 9113124985 and 9113125003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162734348 + ... + 162734403.

It is an arithmetic number, because the mean of its divisors is an integer number (1518854176).

Almost surely, 2^9113125028 is an apocalyptic number.

It is an amenable number.

9113125028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9113125028 is a wasteful number, since it uses less digits than its factorization.

9113125028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325468762 (or 325468760 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 9113125028 is about 95462.6891932131. The cubic root of 9113125028 is about 2088.7627291448.

The spelling of 9113125028 in words is "nine billion, one hundred thirteen million, one hundred twenty-five thousand, twenty-eight".