71134311230111 has 16 divisors (see below), whose sum is σ = 73321331825280. Its totient is φ = 68971629595680.

The previous prime is 71134311230083. The next prime is 71134311230117. The reversal of 71134311230111 is 11103211343117.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 71134311230111 - 2²² = 71134307035807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71134311230117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47818601 + ... + 49283741.

It is an arithmetic number, because the mean of its divisors is an integer number (4582583239080).

Almost surely, 2^{71134311230111} is an apocalyptic number.

71134311230111 is a deficient number, since it is larger than the sum of its proper divisors (2187020595169).

71134311230111 is a wasteful number, since it uses less digits than its factorization.

71134311230111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473446.

The product of its (nonzero) digits is 1512, while the sum is 29.

Adding to 71134311230111 its reverse (11103211343117), we get a palindrome (82237522573228).

The spelling of 71134311230111 in words is "seventy-one trillion, one hundred thirty-four billion, three hundred eleven million, two hundred thirty thousand, one hundred eleven".