126111193337 has 2 divisors, whose sum is σ = 126111193338. Its totient is φ = 126111193336.

The previous prime is 126111193321. The next prime is 126111193433. The reversal of 126111193337 is 733391111621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102740121961 + 23371071376 = 320531^2 + 152876^2 .

It is a cyclic number.

It is not a de Polignac number, because 126111193337 - 2⁴ = 126111193321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126111193337.

It is not a weakly prime, because it can be changed into another prime (126111195337) 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, 63055596668 + 63055596669.

It is an arithmetic number, because the mean of its divisors is an integer number (63055596669).

Almost surely, 2^126111193337 is an apocalyptic number.

It is an amenable number.

126111193337 is a deficient number, since it is larger than the sum of its proper divisors (1).

126111193337 is an equidigital number, since it uses as much as digits as its factorization.

126111193337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 38.

The spelling of 126111193337 in words is "one hundred twenty-six billion, one hundred eleven million, one hundred ninety-three thousand, three hundred thirty-seven".