26640281411 has 2 divisors, whose sum is σ = 26640281412. Its totient is φ = 26640281410.

The previous prime is 26640281399. The next prime is 26640281429. The reversal of 26640281411 is 11418204662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26640281411 - 2¹⁴ = 26640265027 is a prime.

It is not a weakly prime, because it can be changed into another prime (26640281431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13320140705 + 13320140706.

It is an arithmetic number, because the mean of its divisors is an integer number (13320140706).

Almost surely, 2^26640281411 is an apocalyptic number.

26640281411 is a deficient number, since it is larger than the sum of its proper divisors (1).

26640281411 is an equidigital number, since it uses as much as digits as its factorization.

26640281411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 26640281411 in words is "twenty-six billion, six hundred forty million, two hundred eighty-one thousand, four hundred eleven".