25655414053 has 4 divisors (see below), whose sum is σ = 26348803660. Its totient is φ = 24962024448.

The previous prime is 25655414041. The next prime is 25655414111. The reversal of 25655414053 is 35041455652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20569870084 + 5085543969 = 143422^2 + 71313^2 .

It is a cyclic number.

It is not a de Polignac number, because 25655414053 - 2²¹ = 25653316901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25655413997 and 25655414015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25655414033) 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 3 ways as a sum of consecutive naturals, for example, 346694748 + ... + 346694821.

It is an arithmetic number, because the mean of its divisors is an integer number (6587200915).

Almost surely, 2^25655414053 is an apocalyptic number.

It is an amenable number.

25655414053 is a deficient number, since it is larger than the sum of its proper divisors (693389607).

25655414053 is an equidigital number, since it uses as much as digits as its factorization.

25655414053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693389606.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 25655414053 in words is "twenty-five billion, six hundred fifty-five million, four hundred fourteen thousand, fifty-three".