1111223333849 has 4 divisors (see below), whose sum is σ = 1141256396964. Its totient is φ = 1081190270736.

The previous prime is 1111223333807. The next prime is 1111223333861. The reversal of 1111223333849 is 9483333221111.

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 634184471449 + 477038862400 = 796357^2 + 690680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111223333849 - 2²⁸ = 1110954898393 is a prime.

It is a super-2 number, since 2×1111223333849² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1111223333249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15016531502 + ... + 15016531575.

It is an arithmetic number, because the mean of its divisors is an integer number (285314099241).

Almost surely, 2^{1111223333849} is an apocalyptic number.

It is an amenable number.

1111223333849 is a deficient number, since it is larger than the sum of its proper divisors (30033063115).

1111223333849 is an equidigital number, since it uses as much as digits as its factorization.

1111223333849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30033063114.

The product of its digits is 93312, while the sum is 41.

The spelling of 1111223333849 in words is "one trillion, one hundred eleven billion, two hundred twenty-three million, three hundred thirty-three thousand, eight hundred forty-nine".