71140871253686 has 32 divisors (see below), whose sum is σ = 116316390693888. Its totient is φ = 32437489986720.

The previous prime is 71140871253593. The next prime is 71140871253709. The reversal of 71140871253686 is 68635217804117.

It is a super-2 number, since 2×71140871253686² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46072136 + ... + 47591211.

It is an arithmetic number, because the mean of its divisors is an integer number (3634887209184).

Almost surely, 2^{71140871253686} is an apocalyptic number.

71140871253686 is a deficient number, since it is larger than the sum of its proper divisors (45175519440202).

71140871253686 is a wasteful number, since it uses less digits than its factorization.

71140871253686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93663716.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 71140871253686 in words is "seventy-one trillion, one hundred forty billion, eight hundred seventy-one million, two hundred fifty-three thousand, six hundred eighty-six".