25655395852799 has 8 divisors (see below), whose sum is σ = 26065526200560. Its totient is φ = 25247670962176.

The previous prime is 25655395852759. The next prime is 25655395852813. The reversal of 25655395852799 is 99725859355652.

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 25655395852799 - 2⁸ = 25655395852543 is a prime.

It is a super-2 number, since 2×25655395852799² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25655395852759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601342784 + ... + 601385445.

It is an arithmetic number, because the mean of its divisors is an integer number (3258190775070).

Almost surely, 2^{25655395852799} is an apocalyptic number.

25655395852799 is a deficient number, since it is larger than the sum of its proper divisors (410130347761).

25655395852799 is a wasteful number, since it uses less digits than its factorization.

25655395852799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202728569.

The product of its digits is 9185400000, while the sum is 80.

The spelling of 25655395852799 in words is "twenty-five trillion, six hundred fifty-five billion, three hundred ninety-five million, eight hundred fifty-two thousand, seven hundred ninety-nine".