25768298113 has 4 divisors (see below), whose sum is σ = 26599533568. Its totient is φ = 24937062660.

The previous prime is 25768298111. The next prime is 25768298117. The reversal of 25768298113 is 31189286752.

It is a happy number.

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 not a de Polignac number, because 25768298113 - 2¹ = 25768298111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25768298111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415617681 + ... + 415617742.

It is an arithmetic number, because the mean of its divisors is an integer number (6649883392).

Almost surely, 2^25768298113 is an apocalyptic number.

It is an amenable number.

25768298113 is a deficient number, since it is larger than the sum of its proper divisors (831235455).

25768298113 is an equidigital number, since it uses as much as digits as its factorization.

25768298113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831235454.

The product of its digits is 1451520, while the sum is 52.

The spelling of 25768298113 in words is "twenty-five billion, seven hundred sixty-eight million, two hundred ninety-eight thousand, one hundred thirteen".