11533327221643 has 2 divisors, whose sum is σ = 11533327221644. Its totient is φ = 11533327221642.

The previous prime is 11533327221623. The next prime is 11533327221649. The reversal of 11533327221643 is 34612272333511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11533327221643 - 2²¹ = 11533325124491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11533327221643.

It is not a weakly prime, because it can be changed into another prime (11533327221649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766663610821 + 5766663610822.

It is an arithmetic number, because the mean of its divisors is an integer number (5766663610822).

Almost surely, 2^{11533327221643} is an apocalyptic number.

11533327221643 is a deficient number, since it is larger than the sum of its proper divisors (1).

11533327221643 is an equidigital number, since it uses as much as digits as its factorization.

11533327221643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 43.

The spelling of 11533327221643 in words is "eleven trillion, five hundred thirty-three billion, three hundred twenty-seven million, two hundred twenty-one thousand, six hundred forty-three".