25381781041 has 8 divisors (see below), whose sum is σ = 26264033280. Its totient is φ = 24499996752.

The previous prime is 25381780987. The next prime is 25381781057. The reversal of 25381781041 is 14018718352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25381781041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25381780985 and 25381781003.

It is not an unprimeable number, because it can be changed into a prime (25381781081) 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, 4785 + ... + 225358.

It is an arithmetic number, because the mean of its divisors is an integer number (3283004160).

Almost surely, 2^25381781041 is an apocalyptic number.

It is an amenable number.

25381781041 is a deficient number, since it is larger than the sum of its proper divisors (882252239).

25381781041 is a wasteful number, since it uses less digits than its factorization.

25381781041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233975.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 25381781041 in words is "twenty-five billion, three hundred eighty-one million, seven hundred eighty-one thousand, forty-one".