71343133551 has 6 divisors (see below), whose sum is σ = 103051192920. Its totient is φ = 47562089028.

The previous prime is 71343133501. The next prime is 71343133553. The reversal of 71343133551 is 15533134317.

71343133551 is a `hidden beast` number, since 71 + 3 + 4 + 3 + 1 + 33 + 551 = 666.

It is not a de Polignac number, because 71343133551 - 2¹⁸ = 71342871407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71343133553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3963507411 + ... + 3963507428.

It is an arithmetic number, because the mean of its divisors is an integer number (17175198820).

Almost surely, 2^71343133551 is an apocalyptic number.

71343133551 is a deficient number, since it is larger than the sum of its proper divisors (31708059369).

71343133551 is a wasteful number, since it uses less digits than its factorization.

71343133551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927014845 (or 7927014842 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

Adding to 71343133551 its reverse (15533134317), we get a palindrome (86876267868).

The spelling of 71343133551 in words is "seventy-one billion, three hundred forty-three million, one hundred thirty-three thousand, five hundred fifty-one".