26112246161 has 4 divisors (see below), whose sum is σ = 26115435300. Its totient is φ = 26109057024.

The previous prime is 26112246101. The next prime is 26112246163. The reversal of 26112246161 is 16164221162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16164221162 = 2 ⋅8082110581.

It can be written as a sum of positive squares in 2 ways, for example, as 1007745025 + 25104501136 = 31745^2 + 158444^2 .

It is a cyclic number.

It is not a de Polignac number, because 26112246161 - 2²⁶ = 26045137297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26112246163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1582256 + ... + 1598673.

It is an arithmetic number, because the mean of its divisors is an integer number (6528858825).

Almost surely, 2^26112246161 is an apocalyptic number.

It is an amenable number.

26112246161 is a deficient number, since it is larger than the sum of its proper divisors (3189139).

26112246161 is an equidigital number, since it uses as much as digits as its factorization.

26112246161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189138.

The product of its digits is 6912, while the sum is 32.

The spelling of 26112246161 in words is "twenty-six billion, one hundred twelve million, two hundred forty-six thousand, one hundred sixty-one".