11847616943 has 2 divisors, whose sum is σ = 11847616944. Its totient is φ = 11847616942.

The previous prime is 11847616927. The next prime is 11847616981. The reversal of 11847616943 is 34961674811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11847616943 - 2⁴ = 11847616927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11847616891 and 11847616900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11847616643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5923808471 + 5923808472.

It is an arithmetic number, because the mean of its divisors is an integer number (5923808472).

Almost surely, 2^11847616943 is an apocalyptic number.

11847616943 is a deficient number, since it is larger than the sum of its proper divisors (1).

11847616943 is an equidigital number, since it uses as much as digits as its factorization.

11847616943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The spelling of 11847616943 in words is "eleven billion, eight hundred forty-seven million, six hundred sixteen thousand, nine hundred forty-three".