1126421533603 has 2 divisors, whose sum is σ = 1126421533604. Its totient is φ = 1126421533602.

The previous prime is 1126421533583. The next prime is 1126421533637. The reversal of 1126421533603 is 3063351246211.

It is a weak prime.

It is an emirp because it is prime and its reverse (3063351246211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1126421533603 - 2⁵ = 1126421533571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1126421533403) 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 as a sum of consecutive naturals, namely, 563210766801 + 563210766802.

It is an arithmetic number, because the mean of its divisors is an integer number (563210766802).

Almost surely, 2^{1126421533603} is an apocalyptic number.

1126421533603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126421533603 is an equidigital number, since it uses as much as digits as its factorization.

1126421533603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 1126421533603 its reverse (3063351246211), we get a palindrome (4189772779814).

The spelling of 1126421533603 in words is "one trillion, one hundred twenty-six billion, four hundred twenty-one million, five hundred thirty-three thousand, six hundred three".