113232223011991 has 2 divisors, whose sum is σ = 113232223011992. Its totient is φ = 113232223011990.

The previous prime is 113232223011989. The next prime is 113232223012079. The reversal of 113232223011991 is 199110322232311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113232223011991 - 2¹ = 113232223011989 is a prime.

Together with 113232223011989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113232223012991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56616111505995 + 56616111505996.

It is an arithmetic number, because the mean of its divisors is an integer number (56616111505996).

Almost surely, 2^{113232223011991} is an apocalyptic number.

113232223011991 is a deficient number, since it is larger than the sum of its proper divisors (1).

113232223011991 is an equidigital number, since it uses as much as digits as its factorization.

113232223011991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 113232223011991 in words is "one hundred thirteen trillion, two hundred thirty-two billion, two hundred twenty-three million, eleven thousand, nine hundred ninety-one".