11454133666543 has 2 divisors, whose sum is σ = 11454133666544. Its totient is φ = 11454133666542.

The previous prime is 11454133666531. The next prime is 11454133666589. The reversal of 11454133666543 is 34566633145411.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34566633145411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11454133666543 - 2²⁹ = 11453596795631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11454133666043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727066833271 + 5727066833272.

It is an arithmetic number, because the mean of its divisors is an integer number (5727066833272).

Almost surely, 2^{11454133666543} is an apocalyptic number.

11454133666543 is a deficient number, since it is larger than the sum of its proper divisors (1).

11454133666543 is an equidigital number, since it uses as much as digits as its factorization.

11454133666543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9331200, while the sum is 52.

The spelling of 11454133666543 in words is "eleven trillion, four hundred fifty-four billion, one hundred thirty-three million, six hundred sixty-six thousand, five hundred forty-three".