126311366303 has 2 divisors, whose sum is σ = 126311366304. Its totient is φ = 126311366302.

The previous prime is 126311366263. The next prime is 126311366347. The reversal of 126311366303 is 303663113621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126311366303 - 2¹⁸ = 126311104159 is a prime.

It is a super-2 number, since 2×126311366303² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126311366003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63155683151 + 63155683152.

It is an arithmetic number, because the mean of its divisors is an integer number (63155683152).

Almost surely, 2^126311366303 is an apocalyptic number.

126311366303 is a deficient number, since it is larger than the sum of its proper divisors (1).

126311366303 is an equidigital number, since it uses as much as digits as its factorization.

126311366303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 35.

Adding to 126311366303 its reverse (303663113621), we get a palindrome (429974479924).

The spelling of 126311366303 in words is "one hundred twenty-six billion, three hundred eleven million, three hundred sixty-six thousand, three hundred three".