26085785578101 has 6 divisors (see below), whose sum is σ = 37679468057270. Its totient is φ = 17390523718728.

The previous prime is 26085785578081. The next prime is 26085785578147. The reversal of 26085785578101 is 10187558758062.

26085785578101 is a `hidden beast` number, since 2 + 6 + 0 + 8 + 5 + 78 + 557 + 8 + 1 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20388828129201 + 5696957448900 = 4515399^2 + 2386830^2 .

It is not a de Polignac number, because 26085785578101 - 2¹⁰ = 26085785577077 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 (26085785577101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1449210309886 + ... + 1449210309903.

Almost surely, 2^{26085785578101} is an apocalyptic number.

It is an amenable number.

26085785578101 is a deficient number, since it is larger than the sum of its proper divisors (11593682479169).

26085785578101 is a wasteful number, since it uses less digits than its factorization.

26085785578101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898420619795 (or 2898420619792 counting only the distinct ones).

The product of its (nonzero) digits is 37632000, while the sum is 63.

The spelling of 26085785578101 in words is "twenty-six trillion, eighty-five billion, seven hundred eighty-five million, five hundred seventy-eight thousand, one hundred one".