111333345689 has 2 divisors, whose sum is σ = 111333345690. Its totient is φ = 111333345688.

The previous prime is 111333345679. The next prime is 111333345757. The reversal of 111333345689 is 986543333111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89047334464 + 22286011225 = 298408^2 + 149285^2 .

It is a cyclic number.

It is not a de Polignac number, because 111333345689 - 2²⁸ = 111064910233 is a prime.

It is a super-2 number, since 2×111333345689² (a number of 23 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (111333345679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55666672844 + 55666672845.

It is an arithmetic number, because the mean of its divisors is an integer number (55666672845).

Almost surely, 2^111333345689 is an apocalyptic number.

It is an amenable number.

111333345689 is a deficient number, since it is larger than the sum of its proper divisors (1).

111333345689 is an equidigital number, since it uses as much as digits as its factorization.

111333345689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The spelling of 111333345689 in words is "one hundred eleven billion, three hundred thirty-three million, three hundred forty-five thousand, six hundred eighty-nine".