26731020011 has 2 divisors, whose sum is σ = 26731020012. Its totient is φ = 26731020010.

The previous prime is 26731019989. The next prime is 26731020053. The reversal of 26731020011 is 11002013762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26731020011 - 2⁶ = 26731019947 is a prime.

It is not a weakly prime, because it can be changed into another prime (26731022011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13365510005 + 13365510006.

It is an arithmetic number, because the mean of its divisors is an integer number (13365510006).

Almost surely, 2^26731020011 is an apocalyptic number.

26731020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

26731020011 is an equidigital number, since it uses as much as digits as its factorization.

26731020011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 26731020011 its reverse (11002013762), we get a palindrome (37733033773).

The spelling of 26731020011 in words is "twenty-six billion, seven hundred thirty-one million, twenty thousand, eleven".