126311366347 has 2 divisors, whose sum is σ = 126311366348. Its totient is φ = 126311366346.

The previous prime is 126311366303. The next prime is 126311366387. The reversal of 126311366347 is 743663113621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126311366347 - 2²³ = 126302977739 is a prime.

It is a super-2 number, since 2×126311366347² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126311366387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63155683173 + 63155683174.

It is an arithmetic number, because the mean of its divisors is an integer number (63155683174).

Almost surely, 2^126311366347 is an apocalyptic number.

126311366347 is a deficient number, since it is larger than the sum of its proper divisors (1).

126311366347 is an equidigital number, since it uses as much as digits as its factorization.

126311366347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 43.

Adding to 126311366347 its reverse (743663113621), we get a palindrome (869974479968).

The spelling of 126311366347 in words is "one hundred twenty-six billion, three hundred eleven million, three hundred sixty-six thousand, three hundred forty-seven".