26580435771138 has 16 divisors (see below), whose sum is σ = 53328571456320. Its totient is φ = 8832195271376.

The previous prime is 26580435771089. The next prime is 26580435771161. The reversal of 26580435771138 is 83117753408562.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6987494358 + ... + 6987498161.

It is an arithmetic number, because the mean of its divisors is an integer number (3333035716020).

Almost surely, 2^{26580435771138} is an apocalyptic number.

26580435771138 is an abundant number, since it is smaller than the sum of its proper divisors (26748135685182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26580435771138 is a wasteful number, since it uses less digits than its factorization.

26580435771138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13974992841.

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 26580435771138 in words is "twenty-six trillion, five hundred eighty billion, four hundred thirty-five million, seven hundred seventy-one thousand, one hundred thirty-eight".