126311366297 has 4 divisors (see below), whose sum is σ = 128041659060. Its totient is φ = 124581073536.

The previous prime is 126311366263. The next prime is 126311366303. The reversal of 126311366297 is 792663113621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31449830281 + 94861536016 = 177341^2 + 307996^2 .

It is a cyclic number.

It is not a de Polignac number, because 126311366297 - 2¹⁶ = 126311300761 is a prime.

It is a super-2 number, since 2×126311366297² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126311366227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865146272 + ... + 865146417.

It is an arithmetic number, because the mean of its divisors is an integer number (32010414765).

Almost surely, 2^126311366297 is an apocalyptic number.

It is an amenable number.

126311366297 is a deficient number, since it is larger than the sum of its proper divisors (1730292763).

126311366297 is an equidigital number, since it uses as much as digits as its factorization.

126311366297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730292762.

The product of its digits is 489888, while the sum is 47.

The spelling of 126311366297 in words is "one hundred twenty-six billion, three hundred eleven million, three hundred sixty-six thousand, two hundred ninety-seven".