126610771171 has 2 divisors, whose sum is σ = 126610771172. Its totient is φ = 126610771170.

The previous prime is 126610771159. The next prime is 126610771187. The reversal of 126610771171 is 171177016621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126610771171 - 2¹⁹ = 126610246883 is a prime.

It is a super-2 number, since 2×126610771171² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126610741171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63305385585 + 63305385586.

It is an arithmetic number, because the mean of its divisors is an integer number (63305385586).

Almost surely, 2^126610771171 is an apocalyptic number.

126610771171 is a deficient number, since it is larger than the sum of its proper divisors (1).

126610771171 is an equidigital number, since it uses as much as digits as its factorization.

126610771171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 40.

Adding to 126610771171 its reverse (171177016621), we get a palindrome (297787787792).

The spelling of 126610771171 in words is "one hundred twenty-six billion, six hundred ten million, seven hundred seventy-one thousand, one hundred seventy-one".