25725407756 has 48 divisors (see below), whose sum is σ = 46696886208. Its totient is φ = 12392889600.

The previous prime is 25725407731. The next prime is 25725407801. The reversal of 25725407756 is 65770452752.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10615961 + ... + 10618383.

It is an arithmetic number, because the mean of its divisors is an integer number (972851796).

Almost surely, 2^25725407756 is an apocalyptic number.

It is an amenable number.

25725407756 is a deficient number, since it is larger than the sum of its proper divisors (20971478452).

25725407756 is a wasteful number, since it uses less digits than its factorization.

25725407756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362 (or 3360 counting only the distinct ones).

The product of its (nonzero) digits is 4116000, while the sum is 50.

The spelling of 25725407756 in words is "twenty-five billion, seven hundred twenty-five million, four hundred seven thousand, seven hundred fifty-six".