26285002418563 has 12 divisors (see below), whose sum is σ = 30605249948112. Its totient is φ = 22508767342320.

The previous prime is 26285002418267. The next prime is 26285002418567. The reversal of 26285002418563 is 36581420058262.

It is a de Polignac number, because none of the positive numbers 2^k-26285002418563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26285002418563.

It is not an unprimeable number, because it can be changed into a prime (26285002418567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252741895 + ... + 252845872.

It is an arithmetic number, because the mean of its divisors is an integer number (2550437495676).

Almost surely, 2^{26285002418563} is an apocalyptic number.

26285002418563 is a deficient number, since it is larger than the sum of its proper divisors (4320247529549).

26285002418563 is a wasteful number, since it uses less digits than its factorization.

26285002418563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505588842 (or 505588835 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 26285002418563 in words is "twenty-six trillion, two hundred eighty-five billion, two million, four hundred eighteen thousand, five hundred sixty-three".