71348117481 has 6 divisors (see below), whose sum is σ = 103058391930. Its totient is φ = 47565411648.

The previous prime is 71348117471. The next prime is 71348117483. The reversal of 71348117481 is 18471184317.

71348117481 is a `hidden beast` number, since 7 + 13 + 48 + 117 + 481 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48732770025 + 22615347456 = 220755^2 + 150384^2 .

It is not a de Polignac number, because 71348117481 - 2⁶ = 71348117417 is a prime.

It is a super-2 number, since 2×71348117481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71348117483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3963784296 + ... + 3963784313.

It is an arithmetic number, because the mean of its divisors is an integer number (17176398655).

Almost surely, 2^71348117481 is an apocalyptic number.

It is an amenable number.

71348117481 is a deficient number, since it is larger than the sum of its proper divisors (31710274449).

71348117481 is a wasteful number, since it uses less digits than its factorization.

71348117481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7927568615 (or 7927568612 counting only the distinct ones).

The product of its digits is 150528, while the sum is 45.

The spelling of 71348117481 in words is "seventy-one billion, three hundred forty-eight million, one hundred seventeen thousand, four hundred eighty-one".