71541504341 has 2 divisors, whose sum is σ = 71541504342. Its totient is φ = 71541504340.

The previous prime is 71541504337. The next prime is 71541504371. The reversal of 71541504341 is 14340514517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51096794116 + 20444710225 = 226046^2 + 142985^2 .

It is a cyclic number.

It is not a de Polignac number, because 71541504341 - 2² = 71541504337 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71541504371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35770752170 + 35770752171.

It is an arithmetic number, because the mean of its divisors is an integer number (35770752171).

Almost surely, 2^71541504341 is an apocalyptic number.

It is an amenable number.

71541504341 is a deficient number, since it is larger than the sum of its proper divisors (1).

71541504341 is an equidigital number, since it uses as much as digits as its factorization.

71541504341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 71541504341 in words is "seventy-one billion, five hundred forty-one million, five hundred four thousand, three hundred forty-one".