25776933041 has 4 divisors (see below), whose sum is σ = 25779192432. Its totient is φ = 25774673652.

The previous prime is 25776932999. The next prime is 25776933047. The reversal of 25776933041 is 14033967752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25776933041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25776933047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112495 + ... + 1135428.

It is an arithmetic number, because the mean of its divisors is an integer number (6444798108).

Almost surely, 2^25776933041 is an apocalyptic number.

It is an amenable number.

25776933041 is a deficient number, since it is larger than the sum of its proper divisors (2259391).

25776933041 is a wasteful number, since it uses less digits than its factorization.

25776933041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259390.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 25776933041 in words is "twenty-five billion, seven hundred seventy-six million, nine hundred thirty-three thousand, forty-one".