1111111733345 has 4 divisors (see below), whose sum is σ = 1333334080020. Its totient is φ = 888889386672.

The previous prime is 1111111733341. The next prime is 1111111733357. The reversal of 1111111733345 is 5433371111111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 837832670224 + 273279063121 = 915332^2 + 522761^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111111733345 - 2² = 1111111733341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111111733341) 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 in 3 ways as a sum of consecutive naturals, for example, 111111173330 + ... + 111111173339.

It is an arithmetic number, because the mean of its divisors is an integer number (333333520005).

Almost surely, 2^{1111111733345} is an apocalyptic number.

It is an amenable number.

1111111733345 is a deficient number, since it is larger than the sum of its proper divisors (222222346675).

1111111733345 is an equidigital number, since it uses as much as digits as its factorization.

1111111733345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222222346674.

The product of its digits is 3780, while the sum is 32.

Adding to 1111111733345 its reverse (5433371111111), we get a palindrome (6544482844456).

The spelling of 1111111733345 in words is "one trillion, one hundred eleven billion, one hundred eleven million, seven hundred thirty-three thousand, three hundred forty-five".