71541217151 has 2 divisors, whose sum is σ = 71541217152. Its totient is φ = 71541217150.

The previous prime is 71541217117. The next prime is 71541217213. The reversal of 71541217151 is 15171214517.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71541217151 - 2⁶ = 71541217087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71541217751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35770608575 + 35770608576.

It is an arithmetic number, because the mean of its divisors is an integer number (35770608576).

Almost surely, 2^71541217151 is an apocalyptic number.

71541217151 is a deficient number, since it is larger than the sum of its proper divisors (1).

71541217151 is an equidigital number, since it uses as much as digits as its factorization.

71541217151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9800, while the sum is 35.

The spelling of 71541217151 in words is "seventy-one billion, five hundred forty-one million, two hundred seventeen thousand, one hundred fifty-one".