71541203071 has 32 divisors (see below), whose sum is σ = 82715351040. Its totient is φ = 61287722496.

The previous prime is 71541203059. The next prime is 71541203077. The reversal of 71541203071 is 17030214517.

It is a de Polignac number, because none of the positive numbers 2^k-71541203071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71541203077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16531510 + ... + 16535836.

It is an arithmetic number, because the mean of its divisors is an integer number (2584854720).

Almost surely, 2^71541203071 is an apocalyptic number.

71541203071 is a deficient number, since it is larger than the sum of its proper divisors (11174147969).

71541203071 is a wasteful number, since it uses less digits than its factorization.

71541203071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383.

The product of its (nonzero) digits is 5880, while the sum is 31.

Adding to 71541203071 its reverse (17030214517), we get a palindrome (88571417588).

The spelling of 71541203071 in words is "seventy-one billion, five hundred forty-one million, two hundred three thousand, seventy-one".