26471324881 has 12 divisors (see below), whose sum is σ = 27242924940. Its totient is φ = 25721026560.

The previous prime is 26471324861. The next prime is 26471324921. The reversal of 26471324881 is 18842317462.

It can be written as a sum of positive squares in 6 ways, for example, as 653262481 + 25818062400 = 25559^2 + 160680^2 .

It is not a de Polignac number, because 26471324881 - 2⁵ = 26471324849 is a prime.

It is a super-2 number, since 2×26471324881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26471324851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1029105 + ... + 1054513.

It is an arithmetic number, because the mean of its divisors is an integer number (2270243745).

Almost surely, 2^26471324881 is an apocalyptic number.

It is an amenable number.

26471324881 is a deficient number, since it is larger than the sum of its proper divisors (771600059).

26471324881 is an equidigital number, since it uses as much as digits as its factorization.

26471324881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26244 (or 26207 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The spelling of 26471324881 in words is "twenty-six billion, four hundred seventy-one million, three hundred twenty-four thousand, eight hundred eighty-one".