26760128881 has 4 divisors (see below), whose sum is σ = 26760912112. Its totient is φ = 26759345652.

The previous prime is 26760128867. The next prime is 26760128909. The reversal of 26760128881 is 18882106762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26760128881 - 2²⁹ = 26223257969 is a prime.

It is a super-2 number, since 2×26760128881² (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 (26760128831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337911 + ... + 409516.

It is an arithmetic number, because the mean of its divisors is an integer number (6690228028).

Almost surely, 2^26760128881 is an apocalyptic number.

It is an amenable number.

26760128881 is a deficient number, since it is larger than the sum of its proper divisors (783231).

26760128881 is an equidigital number, since it uses as much as digits as its factorization.

26760128881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783230.

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 26760128881 in words is "twenty-six billion, seven hundred sixty million, one hundred twenty-eight thousand, eight hundred eighty-one".