71133818330 has 16 divisors (see below), whose sum is σ = 133607867904. Its totient is φ = 27216417360.

The previous prime is 71133818303. The next prime is 71133818383. The reversal of 71133818330 is 3381833117.

It is a super-2 number, since 2×71133818330² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154638506 + ... + 154638965.

It is an arithmetic number, because the mean of its divisors is an integer number (8350491744).

Almost surely, 2^71133818330 is an apocalyptic number.

71133818330 is a deficient number, since it is larger than the sum of its proper divisors (62474049574).

71133818330 is a wasteful number, since it uses less digits than its factorization.

71133818330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309277501.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 71133818330 in words is "seventy-one billion, one hundred thirty-three million, eight hundred eighteen thousand, three hundred thirty".