25328136888563 has 8 divisors (see below), whose sum is σ = 26430578639136. Its totient is φ = 24225796672000.

The previous prime is 25328136888557. The next prime is 25328136888619. The reversal of 25328136888563 is 36588863182352.

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 25328136888563 - 2²² = 25328132694259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25328136888493 and 25328136888502.

It is not an unprimeable number, because it can be changed into a prime (25328136888533) 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, 24873518 + ... + 25871763.

It is an arithmetic number, because the mean of its divisors is an integer number (3303822329892).

Almost surely, 2^{25328136888563} is an apocalyptic number.

25328136888563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25328136888563 is a deficient number, since it is larger than the sum of its proper divisors (1102441750573).

25328136888563 is a wasteful number, since it uses less digits than its factorization.

25328136888563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50767005.

The product of its digits is 398131200, while the sum is 68.

The spelling of 25328136888563 in words is "twenty-five trillion, three hundred twenty-eight billion, one hundred thirty-six million, eight hundred eighty-eight thousand, five hundred sixty-three".