25065394569775 has 48 divisors (see below), whose sum is σ = 35621654711040. Its totient is φ = 17139130848000.

The previous prime is 25065394569703. The next prime is 25065394569799. The reversal of 25065394569775 is 57796549356052.

It is not a de Polignac number, because 25065394569775 - 2⁷ = 25065394569647 is a prime.

It is a Smith number, since the sum of its digits (73) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25065394569698 and 25065394569707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 384718752 + ... + 384783898.

It is an arithmetic number, because the mean of its divisors is an integer number (742117806480).

Almost surely, 2^{25065394569775} is an apocalyptic number.

25065394569775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25065394569775 is a deficient number, since it is larger than the sum of its proper divisors (10556260141265).

25065394569775 is a wasteful number, since it uses less digits than its factorization.

25065394569775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71344 (or 71339 counting only the distinct ones).

The product of its (nonzero) digits is 2143260000, while the sum is 73.

The spelling of 25065394569775 in words is "twenty-five trillion, sixty-five billion, three hundred ninety-four million, five hundred sixty-nine thousand, seven hundred seventy-five".