11884297864447 has 2 divisors, whose sum is σ = 11884297864448. Its totient is φ = 11884297864446.

The previous prime is 11884297864319. The next prime is 11884297864451. The reversal of 11884297864447 is 74446879248811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11884297864447 - 2⁷ = 11884297864319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11884297864447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11884297864247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5942148932223 + 5942148932224.

It is an arithmetic number, because the mean of its divisors is an integer number (5942148932224).

Almost surely, 2^{11884297864447} is an apocalyptic number.

11884297864447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11884297864447 is an equidigital number, since it uses as much as digits as its factorization.

11884297864447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 693633024, while the sum is 73.

The spelling of 11884297864447 in words is "eleven trillion, eight hundred eighty-four billion, two hundred ninety-seven million, eight hundred sixty-four thousand, four hundred forty-seven".