71041461811 has 8 divisors (see below), whose sum is σ = 71319084480. Its totient is φ = 70764078912.

The previous prime is 71041461809. The next prime is 71041461851. The reversal of 71041461811 is 11816414017.

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

It is a cyclic number.

It is not a de Polignac number, because 71041461811 - 2¹ = 71041461809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71041461851) 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, 545695 + ... + 663223.

It is an arithmetic number, because the mean of its divisors is an integer number (8914885560).

Almost surely, 2^71041461811 is an apocalyptic number.

71041461811 is a deficient number, since it is larger than the sum of its proper divisors (277622669).

71041461811 is a wasteful number, since it uses less digits than its factorization.

71041461811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119885.

The product of its (nonzero) digits is 5376, while the sum is 34.

Adding to 71041461811 its reverse (11816414017), we get a palindrome (82857875828).

The spelling of 71041461811 in words is "seventy-one billion, forty-one million, four hundred sixty-one thousand, eight hundred eleven".