25755308277553 has 8 divisors (see below), whose sum is σ = 26107003964520. Its totient is φ = 25405508524800.

The previous prime is 25755308277539. The next prime is 25755308277563. The reversal of 25755308277553 is 35577280355752.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11914177662864 + 13841130614689 = 3451692^2 + 3720367^2 .

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 25755308277553 - 2⁵ = 25755308277521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25755308277563) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 473956200 + ... + 474010537.

It is an arithmetic number, because the mean of its divisors is an integer number (3263375495565).

Almost surely, 2^{25755308277553} is an apocalyptic number.

It is an amenable number.

25755308277553 is a deficient number, since it is larger than the sum of its proper divisors (351695686967).

25755308277553 is a wasteful number, since it uses less digits than its factorization.

25755308277553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947967107.

The product of its (nonzero) digits is 308700000, while the sum is 64.

The spelling of 25755308277553 in words is "twenty-five trillion, seven hundred fifty-five billion, three hundred eight million, two hundred seventy-seven thousand, five hundred fifty-three".