26278286113579 has 4 divisors (see below), whose sum is σ = 26278354103184. Its totient is φ = 26278218123976.

The previous prime is 26278286113531. The next prime is 26278286113657. The reversal of 26278286113579 is 97531168287262.

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-26278286113579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26278286117579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33411712 + ... + 34189165.

It is an arithmetic number, because the mean of its divisors is an integer number (6569588525796).

Almost surely, 2^{26278286113579} is an apocalyptic number.

26278286113579 is a deficient number, since it is larger than the sum of its proper divisors (67989605).

26278286113579 is an equidigital number, since it uses as much as digits as its factorization.

26278286113579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67989604.

The product of its digits is 121927680, while the sum is 67.

The spelling of 26278286113579 in words is "twenty-six trillion, two hundred seventy-eight billion, two hundred eighty-six million, one hundred thirteen thousand, five hundred seventy-nine".