9256128025 has 24 divisors (see below), whose sum is σ = 12071441664. Its totient is φ = 7030795200.

The previous prime is 9256127941. The next prime is 9256128031. The reversal of 9256128025 is 5208216529.

9256128025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-9256128025 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 71599 + ... + 153748.

It is an arithmetic number, because the mean of its divisors is an integer number (502976736).

Almost surely, 2^9256128025 is an apocalyptic number.

It is an amenable number.

9256128025 is a deficient number, since it is larger than the sum of its proper divisors (2815313639).

9256128025 is a wasteful number, since it uses less digits than its factorization.

9256128025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225441 (or 225436 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 9256128025 is about 96208.7731186715. The cubic root of 9256128025 is about 2099.6316833265.

The spelling of 9256128025 in words is "nine billion, two hundred fifty-six million, one hundred twenty-eight thousand, twenty-five".