25326516336563 has 16 divisors (see below), whose sum is σ = 27374136056736. Its totient is φ = 23293106288640.

The previous prime is 25326516336529. The next prime is 25326516336571. The reversal of 25326516336563 is 36563361562352.

It is a cyclic number.

It is not a de Polignac number, because 25326516336563 - 2²⁰ = 25326515287987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25326516336499 and 25326516336508.

It is not an unprimeable number, because it can be changed into a prime (25326516336503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118124528 + ... + 118338738.

It is an arithmetic number, because the mean of its divisors is an integer number (1710883503546).

Almost surely, 2^{25326516336563} is an apocalyptic number.

25326516336563 is a deficient number, since it is larger than the sum of its proper divisors (2047619720173).

25326516336563 is a wasteful number, since it uses less digits than its factorization.

25326516336563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247334.

The product of its digits is 52488000, while the sum is 56.

The spelling of 25326516336563 in words is "twenty-five trillion, three hundred twenty-six billion, five hundred sixteen million, three hundred thirty-six thousand, five hundred sixty-three".