26615775265 has 16 divisors (see below), whose sum is σ = 32634279360. Its totient is φ = 20832477120.

The previous prime is 26615775247. The next prime is 26615775271. The reversal of 26615775265 is 56257751662.

It is not a de Polignac number, because 26615775265 - 2²⁹ = 26078904353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151554 + ... + 276043.

It is an arithmetic number, because the mean of its divisors is an integer number (2039642460).

Almost surely, 2^26615775265 is an apocalyptic number.

It is an amenable number.

26615775265 is a deficient number, since it is larger than the sum of its proper divisors (6018504095).

26615775265 is a wasteful number, since it uses less digits than its factorization.

26615775265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427872.

The product of its digits is 5292000, while the sum is 52.

The spelling of 26615775265 in words is "twenty-six billion, six hundred fifteen million, seven hundred seventy-five thousand, two hundred sixty-five".