126618546713 has 2 divisors, whose sum is σ = 126618546714. Its totient is φ = 126618546712.

The previous prime is 126618546667. The next prime is 126618546721. The reversal of 126618546713 is 317645816621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126059082304 + 559464409 = 355048^2 + 23653^2 .

It is a cyclic number.

It is not a de Polignac number, because 126618546713 - 2¹⁴ = 126618530329 is a prime.

It is not a weakly prime, because it can be changed into another prime (126618566713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63309273356 + 63309273357.

It is an arithmetic number, because the mean of its divisors is an integer number (63309273357).

Almost surely, 2^126618546713 is an apocalyptic number.

It is an amenable number.

126618546713 is a deficient number, since it is larger than the sum of its proper divisors (1).

126618546713 is an equidigital number, since it uses as much as digits as its factorization.

126618546713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The spelling of 126618546713 in words is "one hundred twenty-six billion, six hundred eighteen million, five hundred forty-six thousand, seven hundred thirteen".