71143687719983 has 8 divisors (see below), whose sum is σ = 72798675492048. Its totient is φ = 69488721921024.

The previous prime is 71143687719977. The next prime is 71143687720043. The reversal of 71143687719983 is 38991778634117.

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 71143687719983 - 2¹⁶ = 71143687654447 is a prime.

It is a super-2 number, since 2×71143687719983² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71143687719983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71143687719943) 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, 1149935 + ... + 11983727.

It is an arithmetic number, because the mean of its divisors is an integer number (9099834436506).

Almost surely, 2^{71143687719983} is an apocalyptic number.

71143687719983 is a deficient number, since it is larger than the sum of its proper divisors (1654987772065).

71143687719983 is a wasteful number, since it uses less digits than its factorization.

71143687719983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10986553.

The product of its digits is 384072192, while the sum is 74.

The spelling of 71143687719983 in words is "seventy-one trillion, one hundred forty-three billion, six hundred eighty-seven million, seven hundred nineteen thousand, nine hundred eighty-three".