71133453412 has 24 divisors (see below), whose sum is σ = 148452425856. Its totient is φ = 29160297408.

The previous prime is 71133453409. The next prime is 71133453431. The reversal of 71133453412 is 21435433117.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55227193 + ... + 55228480.

It is an arithmetic number, because the mean of its divisors is an integer number (6185517744).

Almost surely, 2^71133453412 is an apocalyptic number.

It is an amenable number.

71133453412 is an abundant number, since it is smaller than the sum of its proper divisors (77318972444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71133453412 is a wasteful number, since it uses less digits than its factorization.

71133453412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110455707 (or 110455705 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

Adding to 71133453412 its reverse (21435433117), we get a palindrome (92568886529).

The spelling of 71133453412 in words is "seventy-one billion, one hundred thirty-three million, four hundred fifty-three thousand, four hundred twelve".