71447539011 has 8 divisors (see below), whose sum is σ = 95746956624. Its totient is φ = 47389907040.

The previous prime is 71447538977. The next prime is 71447539049. The reversal of 71447539011 is 11093574417.

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

It is not a de Polignac number, because 71447539011 - 2⁶ = 71447538947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71447539211) by changing a digit.

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, 60445720 + ... + 60446901.

It is an arithmetic number, because the mean of its divisors is an integer number (11968369578).

Almost surely, 2^71447539011 is an apocalyptic number.

71447539011 is a deficient number, since it is larger than the sum of its proper divisors (24299417613).

71447539011 is a wasteful number, since it uses less digits than its factorization.

71447539011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120892821.

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 71447539011 in words is "seventy-one billion, four hundred forty-seven million, five hundred thirty-nine thousand, eleven".