26655992565 has 32 divisors (see below), whose sum is σ = 43270661376. Its totient is φ = 14009694720.

The previous prime is 26655992527. The next prime is 26655992569. The reversal of 26655992565 is 56529955662.

It is not a de Polignac number, because 26655992565 - 2⁶ = 26655992501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26655992499 and 26655992508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26655992569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2952999 + ... + 2962011.

It is an arithmetic number, because the mean of its divisors is an integer number (1352208168).

Almost surely, 2^26655992565 is an apocalyptic number.

It is an amenable number.

26655992565 is a deficient number, since it is larger than the sum of its proper divisors (16614668811).

26655992565 is a wasteful number, since it uses less digits than its factorization.

26655992565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11869.

The product of its digits is 43740000, while the sum is 60.

The spelling of 26655992565 in words is "twenty-six billion, six hundred fifty-five million, nine hundred ninety-two thousand, five hundred sixty-five".