71160161015077 has 2 divisors, whose sum is σ = 71160161015078. Its totient is φ = 71160161015076.

The previous prime is 71160161015063. The next prime is 71160161015137. The reversal of 71160161015077 is 77051016106117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69530348772196 + 1629812242881 = 8338486^2 + 1276641^2 .

It is an emirp because it is prime and its reverse (77051016106117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71160161015077 - 2¹⁹ = 71160160490789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71160161015477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35580080507538 + 35580080507539.

It is an arithmetic number, because the mean of its divisors is an integer number (35580080507539).

Almost surely, 2^{71160161015077} is an apocalyptic number.

It is an amenable number.

71160161015077 is a deficient number, since it is larger than the sum of its proper divisors (1).

71160161015077 is an equidigital number, since it uses as much as digits as its factorization.

71160161015077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 43.

The spelling of 71160161015077 in words is "seventy-one trillion, one hundred sixty billion, one hundred sixty-one million, fifteen thousand, seventy-seven".