1112233557789 has 12 divisors (see below), whose sum is σ = 1616792449116. Its totient is φ = 736766177472.

The previous prime is 1112233557769. The next prime is 1112233557797. The reversal of 1112233557789 is 9877553322111.

1112233557789 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 2 + 3 + 3 + 557 + 7 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 514781855289 + 597451702500 = 717483^2 + 772950^2 .

It is not a de Polignac number, because 1112233557789 - 2⁹ = 1112233557277 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112233557739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393570264 + ... + 393573089.

It is an arithmetic number, because the mean of its divisors is an integer number (134732704093).

Almost surely, 2^{1112233557789} is an apocalyptic number.

It is an amenable number.

1112233557789 is a deficient number, since it is larger than the sum of its proper divisors (504558891327).

1112233557789 is a wasteful number, since it uses less digits than its factorization.

1112233557789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787143516 (or 787143513 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The spelling of 1112233557789 in words is "one trillion, one hundred twelve billion, two hundred thirty-three million, five hundred fifty-seven thousand, seven hundred eighty-nine".