71111041104812 has 24 divisors (see below), whose sum is σ = 125503341680640. Its totient is φ = 35254156217040.

The previous prime is 71111041104811. The next prime is 71111041104877. The reversal of 71111041104812 is 21840114011117.

It is not an unprimeable number, because it can be changed into a prime (71111041104811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151357112 + ... + 151826207.

It is an arithmetic number, because the mean of its divisors is an integer number (5229305903360).

Almost surely, 2^{71111041104812} is an apocalyptic number.

It is an amenable number.

71111041104812 is a deficient number, since it is larger than the sum of its proper divisors (54392300575828).

71111041104812 is a wasteful number, since it uses less digits than its factorization.

71111041104812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303183821 (or 303183819 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 32.

Adding to 71111041104812 its reverse (21840114011117), we get a palindrome (92951155115929).

The spelling of 71111041104812 in words is "seventy-one trillion, one hundred eleven billion, forty-one million, one hundred four thousand, eight hundred twelve".