71641114421231 has 2 divisors, whose sum is σ = 71641114421232. Its totient is φ = 71641114421230.

The previous prime is 71641114421141. The next prime is 71641114421237. The reversal of 71641114421231 is 13212441114617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71641114421231 - 2²² = 71641110226927 is a prime.

It is a super-2 number, since 2×71641114421231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71641114421237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35820557210615 + 35820557210616.

It is an arithmetic number, because the mean of its divisors is an integer number (35820557210616).

Almost surely, 2^{71641114421231} is an apocalyptic number.

71641114421231 is a deficient number, since it is larger than the sum of its proper divisors (1).

71641114421231 is an equidigital number, since it uses as much as digits as its factorization.

71641114421231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 38.

Adding to 71641114421231 its reverse (13212441114617), we get a palindrome (84853555535848).

The spelling of 71641114421231 in words is "seventy-one trillion, six hundred forty-one billion, one hundred fourteen million, four hundred twenty-one thousand, two hundred thirty-one".