71504003141 has 2 divisors, whose sum is σ = 71504003142. Its totient is φ = 71504003140.

The previous prime is 71504003119. The next prime is 71504003177. The reversal of 71504003141 is 14130040517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53633928100 + 17870075041 = 231590^2 + 133679^2 .

It is a cyclic number.

It is not a de Polignac number, because 71504003141 - 2²² = 71499808837 is a prime.

It is a super-2 number, since 2×71504003141² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71504003141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71504003111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35752001570 + 35752001571.

It is an arithmetic number, because the mean of its divisors is an integer number (35752001571).

Almost surely, 2^71504003141 is an apocalyptic number.

It is an amenable number.

71504003141 is a deficient number, since it is larger than the sum of its proper divisors (1).

71504003141 is an equidigital number, since it uses as much as digits as its factorization.

71504003141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 71504003141 its reverse (14130040517), we get a palindrome (85634043658).

The spelling of 71504003141 in words is "seventy-one billion, five hundred four million, three thousand, one hundred forty-one".