71138041667207 has 8 divisors (see below), whose sum is σ = 71600713456896. Its totient is φ = 70675490931552.

The previous prime is 71138041667177. The next prime is 71138041667261. The reversal of 71138041667207 is 70276614083117.

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 71138041667207 - 2³⁰ = 71136967925383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71138041667507) 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, 29084228 + ... + 31435145.

It is an arithmetic number, because the mean of its divisors is an integer number (8950089182112).

Almost surely, 2^{71138041667207} is an apocalyptic number.

71138041667207 is a deficient number, since it is larger than the sum of its proper divisors (462671789689).

71138041667207 is a wasteful number, since it uses less digits than its factorization.

71138041667207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60527017.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 71138041667207 in words is "seventy-one trillion, one hundred thirty-eight billion, forty-one million, six hundred sixty-seven thousand, two hundred seven".