26340131255 has 4 divisors (see below), whose sum is σ = 31608157512. Its totient is φ = 21072105000.

The previous prime is 26340131221. The next prime is 26340131263. The reversal of 26340131255 is 55213104362.

It is a happy number.

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

It is not a de Polignac number, because 26340131255 - 2¹² = 26340127159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634013121 + ... + 2634013130.

It is an arithmetic number, because the mean of its divisors is an integer number (7902039378).

Almost surely, 2^26340131255 is an apocalyptic number.

26340131255 is a deficient number, since it is larger than the sum of its proper divisors (5268026257).

26340131255 is an equidigital number, since it uses as much as digits as its factorization.

26340131255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268026256.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 26340131255 in words is "twenty-six billion, three hundred forty million, one hundred thirty-one thousand, two hundred fifty-five".