25765656752 has 30 divisors (see below), whose sum is σ = 54871803084. Its totient is φ = 11711661280.

The previous prime is 25765656731. The next prime is 25765656809.

25765656752 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6652418 + ... + 6656289.

Almost surely, 2^25765656752 is an apocalyptic number.

25765656752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25765656752 is an abundant number, since it is smaller than the sum of its proper divisors (29106146332).

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

25765656752 is a wasteful number, since it uses less digits than its factorization.

25765656752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13308737 (or 13308720 counting only the distinct ones).

The product of its digits is 26460000, while the sum is 56.

The spelling of 25765656752 in words is "twenty-five billion, seven hundred sixty-five million, six hundred fifty-six thousand, seven hundred fifty-two".