13261453465511 has 2 divisors, whose sum is σ = 13261453465512. Its totient is φ = 13261453465510.

The previous prime is 13261453465489. The next prime is 13261453465529. The reversal of 13261453465511 is 11556435416231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13261453465511 - 2³⁰ = 13260379723687 is a prime.

It is a super-2 number, since 2×13261453465511² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13261453465571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6630726732755 + 6630726732756.

It is an arithmetic number, because the mean of its divisors is an integer number (6630726732756).

Almost surely, 2^{13261453465511} is an apocalyptic number.

13261453465511 is a deficient number, since it is larger than the sum of its proper divisors (1).

13261453465511 is an equidigital number, since it uses as much as digits as its factorization.

13261453465511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 47.

The spelling of 13261453465511 in words is "thirteen trillion, two hundred sixty-one billion, four hundred fifty-three million, four hundred sixty-five thousand, five hundred eleven".