1126743658385 has 16 divisors (see below), whose sum is σ = 1362234116880. Its totient is φ = 894653349120.

The previous prime is 1126743658351. The next prime is 1126743658423. The reversal of 1126743658385 is 5838563476211.

It can be written as a sum of positive squares in 8 ways, for example, as 170496319744 + 956247338641 = 412912^2 + 977879^2 .

It is not a de Polignac number, because 1126743658385 - 2²⁰ = 1126742609809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762362 + ... + 1683651.

It is an arithmetic number, because the mean of its divisors is an integer number (85139632305).

Almost surely, 2^{1126743658385} is an apocalyptic number.

It is an amenable number.

1126743658385 is a deficient number, since it is larger than the sum of its proper divisors (235490458495).

1126743658385 is a wasteful number, since it uses less digits than its factorization.

1126743658385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446708.

The product of its digits is 29030400, while the sum is 59.

The spelling of 1126743658385 in words is "one trillion, one hundred twenty-six billion, seven hundred forty-three million, six hundred fifty-eight thousand, three hundred eighty-five".