1161120054165 has 8 divisors (see below), whose sum is σ = 1857792086688. Its totient is φ = 619264028880.

The previous prime is 1161120054113. The next prime is 1161120054167. The reversal of 1161120054165 is 5614500211611.

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

It is not a de Polignac number, because 1161120054165 - 2¹⁰ = 1161120053141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161120054167) 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, 38704001791 + ... + 38704001820.

It is an arithmetic number, because the mean of its divisors is an integer number (232224010836).

Almost surely, 2^{1161120054165} is an apocalyptic number.

1161120054165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1161120054165 is a deficient number, since it is larger than the sum of its proper divisors (696672032523).

1161120054165 is an equidigital number, since it uses as much as digits as its factorization.

1161120054165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77408003619.

The product of its (nonzero) digits is 7200, while the sum is 33.

Adding to 1161120054165 its reverse (5614500211611), we get a palindrome (6775620265776).

The spelling of 1161120054165 in words is "one trillion, one hundred sixty-one billion, one hundred twenty million, fifty-four thousand, one hundred sixty-five".