71141871499 has 2 divisors, whose sum is σ = 71141871500. Its totient is φ = 71141871498.

The previous prime is 71141871487. The next prime is 71141871553. The reversal of 71141871499 is 99417814117.

It is a weak prime.

It is an emirp because it is prime and its reverse (99417814117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71141871499 - 2⁵ = 71141871467 is a prime.

It is a super-2 number, since 2×71141871499² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71141871799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35570935749 + 35570935750.

It is an arithmetic number, because the mean of its divisors is an integer number (35570935750).

Almost surely, 2^71141871499 is an apocalyptic number.

71141871499 is a deficient number, since it is larger than the sum of its proper divisors (1).

71141871499 is an equidigital number, since it uses as much as digits as its factorization.

71141871499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 52.

The spelling of 71141871499 in words is "seventy-one billion, one hundred forty-one million, eight hundred seventy-one thousand, four hundred ninety-nine".