171161078311 has 2 divisors, whose sum is σ = 171161078312. Its totient is φ = 171161078310.

The previous prime is 171161078273. The next prime is 171161078419. The reversal of 171161078311 is 113870161171.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 171161078311 - 2⁷ = 171161078183 is a prime.

It is a super-3 number, since 3×171161078311³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171111078311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85580539155 + 85580539156.

It is an arithmetic number, because the mean of its divisors is an integer number (85580539156).

Almost surely, 2^171161078311 is an apocalyptic number.

171161078311 is a deficient number, since it is larger than the sum of its proper divisors (1).

171161078311 is an equidigital number, since it uses as much as digits as its factorization.

171161078311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 37.

The spelling of 171161078311 in words is "one hundred seventy-one billion, one hundred sixty-one million, seventy-eight thousand, three hundred eleven".