113321237009 has 2 divisors, whose sum is σ = 113321237010. Its totient is φ = 113321237008.

The previous prime is 113321236999. The next prime is 113321237011. The reversal of 113321237009 is 900732123311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74186506384 + 39134730625 = 272372^2 + 197825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113321237009 is a prime.

Together with 113321237011, 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 (113321237039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56660618504 + 56660618505.

It is an arithmetic number, because the mean of its divisors is an integer number (56660618505).

Almost surely, 2^113321237009 is an apocalyptic number.

It is an amenable number.

113321237009 is a deficient number, since it is larger than the sum of its proper divisors (1).

113321237009 is an equidigital number, since it uses as much as digits as its factorization.

113321237009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 113321237009 in words is "one hundred thirteen billion, three hundred twenty-one million, two hundred thirty-seven thousand, nine".