25941864775 has 12 divisors (see below), whose sum is σ = 32383809000. Its totient is φ = 20614203680.

The previous prime is 25941864733. The next prime is 25941864787. The reversal of 25941864775 is 57746814952.

It is not a de Polignac number, because 25941864775 - 2²⁵ = 25908310343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3478405 + ... + 3485854.

It is an arithmetic number, because the mean of its divisors is an integer number (2698650750).

Almost surely, 2^25941864775 is an apocalyptic number.

25941864775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25941864775 is a deficient number, since it is larger than the sum of its proper divisors (6441944225).

25941864775 is a wasteful number, since it uses less digits than its factorization.

25941864775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964418 (or 6964413 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 58.

The spelling of 25941864775 in words is "twenty-five billion, nine hundred forty-one million, eight hundred sixty-four thousand, seven hundred seventy-five".