25318088028487 has 2 divisors, whose sum is σ = 25318088028488. Its totient is φ = 25318088028486.

The previous prime is 25318088028479. The next prime is 25318088028523. The reversal of 25318088028487 is 78482088081352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25318088028487 - 2³ = 25318088028479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25318088025487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12659044014243 + 12659044014244.

It is an arithmetic number, because the mean of its divisors is an integer number (12659044014244).

Almost surely, 2^{25318088028487} is an apocalyptic number.

25318088028487 is a deficient number, since it is larger than the sum of its proper divisors (1).

25318088028487 is an equidigital number, since it uses as much as digits as its factorization.

25318088028487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55050240, while the sum is 64.

The spelling of 25318088028487 in words is "twenty-five trillion, three hundred eighteen billion, eighty-eight million, twenty-eight thousand, four hundred eighty-seven".