71148717238032 has 120 divisors (see below), whose sum is σ = 228106071735360. Its totient is φ = 20279688802560.

The previous prime is 71148717237991. The next prime is 71148717238051. The reversal of 71148717238032 is 23083271784117.

It is a happy number.

71148717238032 is a `hidden beast` number, since 7 + 1 + 14 + 87 + 172 + 380 + 3 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 71148717238032.

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 23 ways as a sum of consecutive naturals, for example, 83806819 + ... + 84651522.

It is an arithmetic number, because the mean of its divisors is an integer number (1900883931128).

Almost surely, 2^{71148717238032} is an apocalyptic number.

71148717238032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

71148717238032 is an abundant number, since it is smaller than the sum of its proper divisors (156957354497328).

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

71148717238032 is a wasteful number, since it uses less digits than its factorization.

71148717238032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168458781 (or 168458772 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The spelling of 71148717238032 in words is "seventy-one trillion, one hundred forty-eight billion, seven hundred seventeen million, two hundred thirty-eight thousand, thirty-two".