25665925330 has 16 divisors (see below), whose sum is σ = 46204804800. Its totient is φ = 10265005872.

The previous prime is 25665925319. The next prime is 25665925343. The reversal of 25665925330 is 3352956652.

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, 89694 + ... + 243673.

It is an arithmetic number, because the mean of its divisors is an integer number (2887800300).

Almost surely, 2^25665925330 is an apocalyptic number.

25665925330 is a deficient number, since it is larger than the sum of its proper divisors (20538879470).

25665925330 is a wasteful number, since it uses less digits than its factorization.

25665925330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341073.

The product of its (nonzero) digits is 1458000, while the sum is 46.

The spelling of 25665925330 in words is "twenty-five billion, six hundred sixty-five million, nine hundred twenty-five thousand, three hundred thirty".