13224378726511 has 2 divisors, whose sum is σ = 13224378726512. Its totient is φ = 13224378726510.

The previous prime is 13224378726443. The next prime is 13224378726523. The reversal of 13224378726511 is 11562787342231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13224378726511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13224378736511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6612189363255 + 6612189363256.

It is an arithmetic number, because the mean of its divisors is an integer number (6612189363256).

Almost surely, 2^{13224378726511} is an apocalyptic number.

13224378726511 is a deficient number, since it is larger than the sum of its proper divisors (1).

13224378726511 is an equidigital number, since it uses as much as digits as its factorization.

13224378726511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 52.

The spelling of 13224378726511 in words is "thirteen trillion, two hundred twenty-four billion, three hundred seventy-eight million, seven hundred twenty-six thousand, five hundred eleven".