126555726863 has 2 divisors, whose sum is σ = 126555726864. Its totient is φ = 126555726862.

The previous prime is 126555726841. The next prime is 126555726883. The reversal of 126555726863 is 368627555621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126555726863 - 2⁸ = 126555726607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126555726799 and 126555726808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126555726883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63277863431 + 63277863432.

It is an arithmetic number, because the mean of its divisors is an integer number (63277863432).

Almost surely, 2^126555726863 is an apocalyptic number.

126555726863 is a deficient number, since it is larger than the sum of its proper divisors (1).

126555726863 is an equidigital number, since it uses as much as digits as its factorization.

126555726863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000, while the sum is 56.

The spelling of 126555726863 in words is "one hundred twenty-six billion, five hundred fifty-five million, seven hundred twenty-six thousand, eight hundred sixty-three".