25425069317565 has 8 divisors (see below), whose sum is σ = 40680110908128. Its totient is φ = 13560036969360.

The previous prime is 25425069317387. The next prime is 25425069317569. The reversal of 25425069317565 is 56571396052452.

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

It is not a de Polignac number, because 25425069317565 - 2¹⁰ = 25425069316541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25425069317499 and 25425069317508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425069317569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847502310571 + ... + 847502310600.

It is an arithmetic number, because the mean of its divisors is an integer number (5085013863516).

Almost surely, 2^{25425069317565} is an apocalyptic number.

It is an amenable number.

25425069317565 is a deficient number, since it is larger than the sum of its proper divisors (15255041590563).

25425069317565 is a wasteful number, since it uses less digits than its factorization.

25425069317565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695004621179.

The product of its (nonzero) digits is 68040000, while the sum is 60.

The spelling of 25425069317565 in words is "twenty-five trillion, four hundred twenty-five billion, sixty-nine million, three hundred seventeen thousand, five hundred sixty-five".