1161120054112 has 24 divisors (see below), whose sum is σ = 2285979683400. Its totient is φ = 580553785344.

The previous prime is 1161120054043. The next prime is 1161120054113. The reversal of 1161120054112 is 2114500211611.

It is a happy number.

It is a super-2 number, since 2×1161120054112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161120054113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4780339 + ... + 5017357.

It is an arithmetic number, because the mean of its divisors is an integer number (95249153475).

Almost surely, 2^{1161120054112} is an apocalyptic number.

It is an amenable number.

1161120054112 is a deficient number, since it is larger than the sum of its proper divisors (1124859629288).

1161120054112 is a wasteful number, since it uses less digits than its factorization.

1161120054112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390118 (or 390110 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 25.

Adding to 1161120054112 its reverse (2114500211611), we get a palindrome (3275620265723).

The spelling of 1161120054112 in words is "one trillion, one hundred sixty-one billion, one hundred twenty million, fifty-four thousand, one hundred twelve".