71143107804 has 36 divisors (see below), whose sum is σ = 180134245200. Its totient is φ = 23674772160.

The previous prime is 71143107787. The next prime is 71143107809. The reversal of 71143107804 is 40870134117.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×71143107804² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71143107809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1628017 + ... + 1671144.

Almost surely, 2^71143107804 is an apocalyptic number.

It is an amenable number.

71143107804 is an abundant number, since it is smaller than the sum of its proper divisors (108991137396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71143107804 is a wasteful number, since it uses less digits than its factorization.

71143107804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299770 (or 3299765 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 71143107804 in words is "seventy-one billion, one hundred forty-three million, one hundred seven thousand, eight hundred four".