126091883543 has 2 divisors, whose sum is σ = 126091883544. Its totient is φ = 126091883542.

The previous prime is 126091883521. The next prime is 126091883549. The reversal of 126091883543 is 345388190621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126091883543 - 2¹⁶ = 126091818007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126091883491 and 126091883500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126091883549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63045941771 + 63045941772.

It is an arithmetic number, because the mean of its divisors is an integer number (63045941772).

Almost surely, 2^126091883543 is an apocalyptic number.

126091883543 is a deficient number, since it is larger than the sum of its proper divisors (1).

126091883543 is an equidigital number, since it uses as much as digits as its factorization.

126091883543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 126091883543 in words is "one hundred twenty-six billion, ninety-one million, eight hundred eighty-three thousand, five hundred forty-three".