10309825128 has 32 divisors (see below), whose sum is σ = 25872580800. Its totient is φ = 3423539328.

The previous prime is 10309825111. The next prime is 10309825153. The reversal of 10309825128 is 82152890301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810373 + ... + 822996.

It is an arithmetic number, because the mean of its divisors is an integer number (808518150).

Almost surely, 2^10309825128 is an apocalyptic number.

It is an amenable number.

10309825128 is an abundant number, since it is smaller than the sum of its proper divisors (15562755672).

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

10309825128 is a wasteful number, since it uses less digits than its factorization.

10309825128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633641 (or 1633637 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 10309825128 in words is "ten billion, three hundred nine million, eight hundred twenty-five thousand, one hundred twenty-eight".