11478364663 has 2 divisors, whose sum is σ = 11478364664. Its totient is φ = 11478364662.

The previous prime is 11478364649. The next prime is 11478364687. The reversal of 11478364663 is 36646387411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11478364663 - 2⁵ = 11478364631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11478364603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5739182331 + 5739182332.

It is an arithmetic number, because the mean of its divisors is an integer number (5739182332).

Almost surely, 2^11478364663 is an apocalyptic number.

11478364663 is a deficient number, since it is larger than the sum of its proper divisors (1).

11478364663 is an equidigital number, since it uses as much as digits as its factorization.

11478364663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 49.

The spelling of 11478364663 in words is "eleven billion, four hundred seventy-eight million, three hundred sixty-four thousand, six hundred sixty-three".