126111117163 has 2 divisors, whose sum is σ = 126111117164. Its totient is φ = 126111117162.

The previous prime is 126111117137. The next prime is 126111117203. The reversal of 126111117163 is 361711111621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126111117163 - 2²⁵ = 126077562731 is a prime.

It is not a weakly prime, because it can be changed into another prime (126111117263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63055558581 + 63055558582.

It is an arithmetic number, because the mean of its divisors is an integer number (63055558582).

Almost surely, 2^126111117163 is an apocalyptic number.

126111117163 is a deficient number, since it is larger than the sum of its proper divisors (1).

126111117163 is an equidigital number, since it uses as much as digits as its factorization.

126111117163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 31.

Adding to 126111117163 its reverse (361711111621), we get a palindrome (487822228784).

The spelling of 126111117163 in words is "one hundred twenty-six billion, one hundred eleven million, one hundred seventeen thousand, one hundred sixty-three".