26278702085005 has 8 divisors (see below), whose sum is σ = 31723271500032. Its totient is φ = 20897075669328.

The previous prime is 26278702085003. The next prime is 26278702085011. The reversal of 26278702085005 is 50058020787262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26278702085005 - 2¹ = 26278702085003 is a prime.

It is a super-2 number, since 2×26278702085005² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26278702085003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15735748917 + ... + 15735750586.

It is an arithmetic number, because the mean of its divisors is an integer number (3965408937504).

Almost surely, 2^{26278702085005} is an apocalyptic number.

It is an amenable number.

26278702085005 is a deficient number, since it is larger than the sum of its proper divisors (5444569415027).

26278702085005 is a wasteful number, since it uses less digits than its factorization.

26278702085005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31471499675.

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 26278702085005 in words is "twenty-six trillion, two hundred seventy-eight billion, seven hundred two million, eighty-five thousand, five".