25820311232 has 28 divisors (see below), whose sum is σ = 51268091520. Its totient is φ = 12902366976.

The previous prime is 25820311219. The next prime is 25820311247. The reversal of 25820311232 is 23211302852.

It is a junction number, because it is equal to n+sod(n) for n = 25820311195 and 25820311204.

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, 14048 + ... + 227679.

Almost surely, 2^25820311232 is an apocalyptic number.

It is an amenable number.

25820311232 is a deficient number, since it is larger than the sum of its proper divisors (25447780288).

25820311232 is a wasteful number, since it uses less digits than its factorization.

25820311232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243408 (or 243398 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 25820311232 in words is "twenty-five billion, eight hundred twenty million, three hundred eleven thousand, two hundred thirty-two".