25016261314345 has 16 divisors (see below), whose sum is σ = 34308191721600. Its totient is φ = 17153919656064.

The previous prime is 25016261314333. The next prime is 25016261314367. The reversal of 25016261314345 is 54341316261052.

It is a cyclic number.

It is not a de Polignac number, because 25016261314345 - 2¹⁷ = 25016261183273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5488149 + ... + 8952781.

It is an arithmetic number, because the mean of its divisors is an integer number (2144261982600).

Almost surely, 2^{25016261314345} is an apocalyptic number.

It is an amenable number.

25016261314345 is a deficient number, since it is larger than the sum of its proper divisors (9291930407255).

25016261314345 is a wasteful number, since it uses less digits than its factorization.

25016261314345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670944.

The product of its (nonzero) digits is 518400, while the sum is 43.

Adding to 25016261314345 its reverse (54341316261052), we get a palindrome (79357577575397).

The spelling of 25016261314345 in words is "twenty-five trillion, sixteen billion, two hundred sixty-one million, three hundred fourteen thousand, three hundred forty-five".