71079216481 has 64 divisors (see below), whose sum is σ = 91853848576. Its totient is φ = 53495769600.

The previous prime is 71079216469. The next prime is 71079216493. The reversal of 71079216481 is 18461297017.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71079216469) and next prime (71079216493).

It is a de Polignac number, because none of the positive numbers 2^k-71079216481 is a prime.

It is a super-2 number, since 2×71079216481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71079216401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112645036 + ... + 112645666.

It is an arithmetic number, because the mean of its divisors is an integer number (1435216384).

Almost surely, 2^71079216481 is an apocalyptic number.

It is an amenable number.

71079216481 is a deficient number, since it is larger than the sum of its proper divisors (20774632095).

71079216481 is a wasteful number, since it uses less digits than its factorization.

71079216481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302.

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 71079216481 in words is "seventy-one billion, seventy-nine million, two hundred sixteen thousand, four hundred eighty-one".