26128616239 has 8 divisors (see below), whose sum is σ = 29743247232. Its totient is φ = 22720535640.

The previous prime is 26128616237. The next prime is 26128616257. The reversal of 26128616239 is 93261682162.

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

It is not a de Polignac number, because 26128616239 - 2¹ = 26128616237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26128616233) 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 7 ways as a sum of consecutive naturals, for example, 51637329 + ... + 51637834.

It is an arithmetic number, because the mean of its divisors is an integer number (3717905904).

Almost surely, 2^26128616239 is an apocalyptic number.

26128616239 is a deficient number, since it is larger than the sum of its proper divisors (3614630993).

26128616239 is a wasteful number, since it uses less digits than its factorization.

26128616239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103275197.

The product of its digits is 373248, while the sum is 46.

The spelling of 26128616239 in words is "twenty-six billion, one hundred twenty-eight million, six hundred sixteen thousand, two hundred thirty-nine".