11845639163 has 2 divisors, whose sum is σ = 11845639164. Its totient is φ = 11845639162.

The previous prime is 11845639159. The next prime is 11845639261. The reversal of 11845639163 is 36193654811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11845639163 - 2² = 11845639159 is a prime.

It is a super-3 number, since 3×11845639163³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11845639363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5922819581 + 5922819582.

It is an arithmetic number, because the mean of its divisors is an integer number (5922819582).

Almost surely, 2^11845639163 is an apocalyptic number.

11845639163 is a deficient number, since it is larger than the sum of its proper divisors (1).

11845639163 is an equidigital number, since it uses as much as digits as its factorization.

11845639163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The spelling of 11845639163 in words is "eleven billion, eight hundred forty-five million, six hundred thirty-nine thousand, one hundred sixty-three".