71160161015089 has 4 divisors (see below), whose sum is σ = 75346052839524. Its totient is φ = 66974269190656.

The previous prime is 71160161015077. The next prime is 71160161015137. The reversal of 71160161015089 is 98051016106117.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53670158784064 + 17490002231025 = 7325992^2 + 4182105^2 .

It is not a de Polignac number, because 71160161015089 - 2⁷ = 71160161014961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71160161015389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2092945912192 + ... + 2092945912225.

It is an arithmetic number, because the mean of its divisors is an integer number (18836513209881).

Almost surely, 2^{71160161015089} is an apocalyptic number.

It is an amenable number.

71160161015089 is a deficient number, since it is larger than the sum of its proper divisors (4185891824435).

71160161015089 is a wasteful number, since it uses less digits than its factorization.

71160161015089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185891824434.

The product of its (nonzero) digits is 90720, while the sum is 46.

The spelling of 71160161015089 in words is "seventy-one trillion, one hundred sixty billion, one hundred sixty-one million, fifteen thousand, eighty-nine".