71441340111 has 12 divisors (see below), whose sum is σ = 105388644192. Its totient is φ = 46614207456.

The previous prime is 71441340077. The next prime is 71441340121. The reversal of 71441340111 is 11104314417.

71441340111 is a `hidden beast` number, since 71 + 441 + 3 + 40 + 111 = 666.

It is not a de Polignac number, because 71441340111 - 2¹¹ = 71441338063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71441340121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84445606 + ... + 84446451.

It is an arithmetic number, because the mean of its divisors is an integer number (8782387016).

Almost surely, 2^71441340111 is an apocalyptic number.

71441340111 is a deficient number, since it is larger than the sum of its proper divisors (33947304081).

71441340111 is a wasteful number, since it uses less digits than its factorization.

71441340111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168892110 (or 168892107 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

Adding to 71441340111 its reverse (11104314417), we get a palindrome (82545654528).

The spelling of 71441340111 in words is "seventy-one billion, four hundred forty-one million, three hundred forty thousand, one hundred eleven".