71053800671 has 16 divisors (see below), whose sum is σ = 82947317760. Its totient is φ = 59596503360.

The previous prime is 71053800647. The next prime is 71053800739. The reversal of 71053800671 is 17600835017.

It is a cyclic number.

It is not a de Polignac number, because 71053800671 - 2³⁴ = 53873931487 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 (71053800641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2128850 + ... + 2161968.

It is an arithmetic number, because the mean of its divisors is an integer number (5184207360).

Almost surely, 2^71053800671 is an apocalyptic number.

71053800671 is a deficient number, since it is larger than the sum of its proper divisors (11893517089).

71053800671 is a wasteful number, since it uses less digits than its factorization.

71053800671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39694.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 71053800671 in words is "seventy-one billion, fifty-three million, eight hundred thousand, six hundred seventy-one".