71040744111 has 8 divisors (see below), whose sum is σ = 94728887424. Its totient is φ = 47356548440.

The previous prime is 71040744067. The next prime is 71040744121. The reversal of 71040744111 is 11144704017.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71040744111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71040744121) 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, 944661 + ... + 1017086.

It is an arithmetic number, because the mean of its divisors is an integer number (11841110928).

Almost surely, 2^71040744111 is an apocalyptic number.

71040744111 is a deficient number, since it is larger than the sum of its proper divisors (23688143313).

71040744111 is a wasteful number, since it uses less digits than its factorization.

71040744111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973821.

The product of its (nonzero) digits is 3136, while the sum is 30.

The spelling of 71040744111 in words is "seventy-one billion, forty million, seven hundred forty-four thousand, one hundred eleven".