1126426402643 has 2 divisors, whose sum is σ = 1126426402644. Its totient is φ = 1126426402642.

The previous prime is 1126426402613. The next prime is 1126426402687. The reversal of 1126426402643 is 3462046246211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1126426402643 - 2³⁶ = 1057706925907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1126426402643.

It is not a weakly prime, because it can be changed into another prime (1126426402613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563213201321 + 563213201322.

It is an arithmetic number, because the mean of its divisors is an integer number (563213201322).

Almost surely, 2^{1126426402643} is an apocalyptic number.

1126426402643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126426402643 is an equidigital number, since it uses as much as digits as its factorization.

1126426402643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 1126426402643 in words is "one trillion, one hundred twenty-six billion, four hundred twenty-six million, four hundred two thousand, six hundred forty-three".