126650653117 has 2 divisors, whose sum is σ = 126650653118. Its totient is φ = 126650653116.

The previous prime is 126650653111. The next prime is 126650653127. The reversal of 126650653117 is 711356056621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67647328281 + 59003324836 = 260091^2 + 242906^2 .

It is a cyclic number.

It is not a de Polignac number, because 126650653117 - 2¹¹ = 126650651069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126650653111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63325326558 + 63325326559.

It is an arithmetic number, because the mean of its divisors is an integer number (63325326559).

Almost surely, 2^126650653117 is an apocalyptic number.

It is an amenable number.

126650653117 is a deficient number, since it is larger than the sum of its proper divisors (1).

126650653117 is an equidigital number, since it uses as much as digits as its factorization.

126650653117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 126650653117 in words is "one hundred twenty-six billion, six hundred fifty million, six hundred fifty-three thousand, one hundred seventeen".