11326121647 has 2 divisors, whose sum is σ = 11326121648. Its totient is φ = 11326121646.

The previous prime is 11326121641. The next prime is 11326121663. The reversal of 11326121647 is 74612162311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11326121647 - 2¹⁹ = 11325597359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11326121641) 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, 5663060823 + 5663060824.

It is an arithmetic number, because the mean of its divisors is an integer number (5663060824).

Almost surely, 2^11326121647 is an apocalyptic number.

11326121647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11326121647 is an equidigital number, since it uses as much as digits as its factorization.

11326121647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

Adding to 11326121647 its reverse (74612162311), we get a palindrome (85938283958).

The spelling of 11326121647 in words is "eleven billion, three hundred twenty-six million, one hundred twenty-one thousand, six hundred forty-seven".