71105651743 has 8 divisors (see below), whose sum is σ = 81612374688. Its totient is φ = 60686121984.

The previous prime is 71105651713. The next prime is 71105651753. The reversal of 71105651743 is 34715650117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71105651743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71105651696 and 71105651705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71105651713) 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, 21796546 + ... + 21799807.

It is an arithmetic number, because the mean of its divisors is an integer number (10201546836).

Almost surely, 2^71105651743 is an apocalyptic number.

71105651743 is a deficient number, since it is larger than the sum of its proper divisors (10506722945).

71105651743 is a wasteful number, since it uses less digits than its factorization.

71105651743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43596593.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 71105651743 in words is "seventy-one billion, one hundred five million, six hundred fifty-one thousand, seven hundred forty-three".