11984232971 has 2 divisors, whose sum is σ = 11984232972. Its totient is φ = 11984232970.

The previous prime is 11984232947. The next prime is 11984232973. The reversal of 11984232971 is 17923248911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11984232971 - 2¹⁰ = 11984231947 is a prime.

It is a Sophie Germain prime.

Together with 11984232973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11984232973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5992116485 + 5992116486.

It is an arithmetic number, because the mean of its divisors is an integer number (5992116486).

Almost surely, 2^11984232971 is an apocalyptic number.

11984232971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11984232971 is an equidigital number, since it uses as much as digits as its factorization.

11984232971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 47.

The spelling of 11984232971 in words is "eleven billion, nine hundred eighty-four million, two hundred thirty-two thousand, nine hundred seventy-one".