25953628540885 has 8 divisors (see below), whose sum is σ = 31731983574840. Its totient is φ = 20371149948864.

The previous prime is 25953628540867. The next prime is 25953628540963. The reversal of 25953628540885 is 58804582635952.

It can be written as a sum of positive squares in 4 ways, for example, as 12972142042596 + 12981486498289 = 3601686^2 + 3602983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25953628540885 - 2¹¹ = 25953628538837 is a prime.

It is a congruent number.

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, 48969110190 + ... + 48969110719.

It is an arithmetic number, because the mean of its divisors is an integer number (3966497946855).

Almost surely, 2^{25953628540885} is an apocalyptic number.

It is an amenable number.

25953628540885 is a deficient number, since it is larger than the sum of its proper divisors (5778355033955).

25953628540885 is an equidigital number, since it uses as much as digits as its factorization.

25953628540885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97938220967.

The product of its (nonzero) digits is 829440000, while the sum is 70.

The spelling of 25953628540885 in words is "twenty-five trillion, nine hundred fifty-three billion, six hundred twenty-eight million, five hundred forty thousand, eight hundred eighty-five".