71052806685 has 64 divisors (see below), whose sum is σ = 133677089280. Its totient is φ = 31550238720.

The previous prime is 71052806663. The next prime is 71052806689. The reversal of 71052806685 is 58660825017.

It is not a de Polignac number, because 71052806685 - 2⁵ = 71052806653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71052806689) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 949809 + ... + 1021881.

It is an arithmetic number, because the mean of its divisors is an integer number (2088704520).

Almost surely, 2^71052806685 is an apocalyptic number.

It is an amenable number.

71052806685 is a deficient number, since it is larger than the sum of its proper divisors (62624282595).

71052806685 is a wasteful number, since it uses less digits than its factorization.

71052806685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72358.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 71052806685 in words is "seventy-one billion, fifty-two million, eight hundred six thousand, six hundred eighty-five".