71541470077743 has 16 divisors (see below), whose sum is σ = 101118127826016. Its totient is φ = 44836140933120.

The previous prime is 71541470077717. The next prime is 71541470077747. The reversal of 71541470077743 is 34777007414517.

It is a happy number.

It is not a de Polignac number, because 71541470077743 - 2²⁶ = 71541402968879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71541470077747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822215538 + ... + 822302543.

It is an arithmetic number, because the mean of its divisors is an integer number (6319882989126).

Almost surely, 2^{71541470077743} is an apocalyptic number.

71541470077743 is a deficient number, since it is larger than the sum of its proper divisors (29576657748273).

71541470077743 is a wasteful number, since it uses less digits than its factorization.

71541470077743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644518954.

The product of its (nonzero) digits is 16134720, while the sum is 57.

The spelling of 71541470077743 in words is "seventy-one trillion, five hundred forty-one billion, four hundred seventy million, seventy-seven thousand, seven hundred forty-three".