1126078878789 has 24 divisors (see below), whose sum is σ = 1629019471352. Its totient is φ = 749584160640.

The previous prime is 1126078878737. The next prime is 1126078878811. The reversal of 1126078878789 is 9878788706211.

1126078878789 is a `hidden beast` number, since 1 + 1 + 2 + 607 + 8 + 8 + 7 + 8 + 7 + 8 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 224306432100 + 901772446689 = 473610^2 + 949617^2 .

It is not a de Polignac number, because 1126078878789 - 2¹² = 1126078874693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126078878709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17730639 + ... + 17794035.

Almost surely, 2^{1126078878789} is an apocalyptic number.

It is an amenable number.

1126078878789 is a deficient number, since it is larger than the sum of its proper divisors (502940592563).

1126078878789 is a wasteful number, since it uses less digits than its factorization.

1126078878789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66357 (or 66354 counting only the distinct ones).

The product of its (nonzero) digits is 151732224, while the sum is 72.

The spelling of 1126078878789 in words is "one trillion, one hundred twenty-six billion, seventy-eight million, eight hundred seventy-eight thousand, seven hundred eighty-nine".