71147132543 has 4 divisors (see below), whose sum is σ = 71273504568. Its totient is φ = 71020760520.

The previous prime is 71147132527. The next prime is 71147132569. The reversal of 71147132543 is 34523174117.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71147132543 - 2⁴ = 71147132527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71147132497 and 71147132506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71147132503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63185168 + ... + 63186293.

It is an arithmetic number, because the mean of its divisors is an integer number (17818376142).

Almost surely, 2^71147132543 is an apocalyptic number.

71147132543 is a deficient number, since it is larger than the sum of its proper divisors (126372025).

71147132543 is a wasteful number, since it uses less digits than its factorization.

71147132543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126372024.

The product of its digits is 70560, while the sum is 38.

The spelling of 71147132543 in words is "seventy-one billion, one hundred forty-seven million, one hundred thirty-two thousand, five hundred forty-three".