1161416721071 has 8 divisors (see below), whose sum is σ = 1216225965024. Its totient is φ = 1106966882560.

The previous prime is 1161416721019. The next prime is 1161416721133. The reversal of 1161416721071 is 1701276141611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1161416721071 - 2³⁰ = 1160342979247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161416721571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89844746 + ... + 89857671.

It is an arithmetic number, because the mean of its divisors is an integer number (152028245628).

Almost surely, 2^{1161416721071} is an apocalyptic number.

1161416721071 is a deficient number, since it is larger than the sum of its proper divisors (54809243953).

1161416721071 is a wasteful number, since it uses less digits than its factorization.

1161416721071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179702721.

The product of its (nonzero) digits is 14112, while the sum is 38.

The spelling of 1161416721071 in words is "one trillion, one hundred sixty-one billion, four hundred sixteen million, seven hundred twenty-one thousand, seventy-one".