25800318713 has 8 divisors (see below), whose sum is σ = 27788195400. Its totient is φ = 23812904448.

The previous prime is 25800318703. The next prime is 25800318743. The reversal of 25800318713 is 31781300852.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1188043024 + 24612275689 = 34468^2 + 156883^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25800318713 - 2²⁸ = 25531883257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25800318703) 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, 4943 + ... + 227211.

It is an arithmetic number, because the mean of its divisors is an integer number (3473524425).

Almost surely, 2^25800318713 is an apocalyptic number.

It is an amenable number.

25800318713 is a deficient number, since it is larger than the sum of its proper divisors (1987876687).

25800318713 is a wasteful number, since it uses less digits than its factorization.

25800318713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231211.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 25800318713 in words is "twenty-five billion, eight hundred million, three hundred eighteen thousand, seven hundred thirteen".