71822216135 has 8 divisors (see below), whose sum is σ = 86188271616. Its totient is φ = 57456698080.

The previous prime is 71822216113. The next prime is 71822216153. The reversal of 71822216135 is 53161222817.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71822216135 - 2¹² = 71822212039 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 270650 + ... + 465720.

It is an arithmetic number, because the mean of its divisors is an integer number (10773533952).

Almost surely, 2^71822216135 is an apocalyptic number.

71822216135 is a deficient number, since it is larger than the sum of its proper divisors (14366055481).

71822216135 is a wasteful number, since it uses less digits than its factorization.

71822216135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268713.

The product of its digits is 40320, while the sum is 38.

The spelling of 71822216135 in words is "seventy-one billion, eight hundred twenty-two million, two hundred sixteen thousand, one hundred thirty-five".