26563152765 has 64 divisors (see below), whose sum is σ = 44844710400. Its totient is φ = 13407657984.

The previous prime is 26563152713. The next prime is 26563152779. The reversal of 26563152765 is 56725136562.

It is not a de Polignac number, because 26563152765 - 2¹¹ = 26563150717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5300581 + ... + 5305589.

It is an arithmetic number, because the mean of its divisors is an integer number (700698600).

Almost surely, 2^26563152765 is an apocalyptic number.

It is an amenable number.

26563152765 is a deficient number, since it is larger than the sum of its proper divisors (18281557635).

26563152765 is a wasteful number, since it uses less digits than its factorization.

26563152765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286.

The product of its digits is 2268000, while the sum is 48.

The spelling of 26563152765 in words is "twenty-six billion, five hundred sixty-three million, one hundred fifty-two thousand, seven hundred sixty-five".