26122633805 has 4 divisors (see below), whose sum is σ = 31347160572. Its totient is φ = 20898107040.

The previous prime is 26122633753. The next prime is 26122633811. The reversal of 26122633805 is 50833622162.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18783798916 + 7338834889 = 137054^2 + 85667^2 .

It is not a de Polignac number, because 26122633805 - 2²⁶ = 26055524941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2612263376 + ... + 2612263385.

It is an arithmetic number, because the mean of its divisors is an integer number (7836790143).

Almost surely, 2^26122633805 is an apocalyptic number.

It is an amenable number.

26122633805 is a deficient number, since it is larger than the sum of its proper divisors (5224526767).

26122633805 is an equidigital number, since it uses as much as digits as its factorization.

26122633805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224526766.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 26122633805 in words is "twenty-six billion, one hundred twenty-two million, six hundred thirty-three thousand, eight hundred five".