26572117027 has 4 divisors (see below), whose sum is σ = 26682375016. Its totient is φ = 26461859040.

The previous prime is 26572117009. The next prime is 26572117037. The reversal of 26572117027 is 72071127562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26572117027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26572117037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55128633 + ... + 55129114.

It is an arithmetic number, because the mean of its divisors is an integer number (6670593754).

Almost surely, 2^26572117027 is an apocalyptic number.

26572117027 is a deficient number, since it is larger than the sum of its proper divisors (110257989).

26572117027 is a wasteful number, since it uses less digits than its factorization.

26572117027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110257988.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 26572117027 in words is "twenty-six billion, five hundred seventy-two million, one hundred seventeen thousand, twenty-seven".