25808268440075 has 12 divisors (see below), whose sum is σ = 34911548581128. Its totient is φ = 18769649774400.

The previous prime is 25808268440063. The next prime is 25808268440083. The reversal of 25808268440075 is 57004486280852.

It is a happy number.

It is not a de Polignac number, because 25808268440075 - 2¹² = 25808268435979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25808268439996 and 25808268440023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46924124162 + ... + 46924124711.

It is an arithmetic number, because the mean of its divisors is an integer number (2909295715094).

Almost surely, 2^{25808268440075} is an apocalyptic number.

25808268440075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25808268440075 is a deficient number, since it is larger than the sum of its proper divisors (9103280141053).

25808268440075 is a wasteful number, since it uses less digits than its factorization.

25808268440075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93848248894 (or 93848248889 counting only the distinct ones).

The product of its (nonzero) digits is 34406400, while the sum is 59.

The spelling of 25808268440075 in words is "twenty-five trillion, eight hundred eight billion, two hundred sixty-eight million, four hundred forty thousand, seventy-five".