71141944361 has 16 divisors (see below), whose sum is σ = 76844740608. Its totient is φ = 65722363200.

The previous prime is 71141944351. The next prime is 71141944381. The reversal of 71141944361 is 16344914117.

It is a cyclic number.

It is not a de Polignac number, because 71141944361 - 2³⁰ = 70068202537 is a prime.

It is a super-2 number, since 2×71141944361² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71141944351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524345 + ... + 645926.

It is an arithmetic number, because the mean of its divisors is an integer number (4802796288).

Almost surely, 2^71141944361 is an apocalyptic number.

It is an amenable number.

71141944361 is a deficient number, since it is larger than the sum of its proper divisors (5702796247).

71141944361 is a wasteful number, since it uses less digits than its factorization.

71141944361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170392.

The product of its digits is 72576, while the sum is 41.

The spelling of 71141944361 in words is "seventy-one billion, one hundred forty-one million, nine hundred forty-four thousand, three hundred sixty-one".