11893788163 has 2 divisors, whose sum is σ = 11893788164. Its totient is φ = 11893788162.

The previous prime is 11893788103. The next prime is 11893788173. The reversal of 11893788163 is 36188739811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11893788163 - 2⁹ = 11893787651 is a prime.

It is not a weakly prime, because it can be changed into another prime (11893788103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5946894081 + 5946894082.

It is an arithmetic number, because the mean of its divisors is an integer number (5946894082).

Almost surely, 2^11893788163 is an apocalyptic number.

11893788163 is a deficient number, since it is larger than the sum of its proper divisors (1).

11893788163 is an equidigital number, since it uses as much as digits as its factorization.

11893788163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 55.

The spelling of 11893788163 in words is "eleven billion, eight hundred ninety-three million, seven hundred eighty-eight thousand, one hundred sixty-three".