1161120054113 has 2 divisors, whose sum is σ = 1161120054114. Its totient is φ = 1161120054112.

The previous prime is 1161120054043. The next prime is 1161120054167. The reversal of 1161120054113 is 3114500211611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 720924959329 + 440195094784 = 849073^2 + 663472^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161120054113 - 2¹² = 1161120050017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161120054013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580560027056 + 580560027057.

It is an arithmetic number, because the mean of its divisors is an integer number (580560027057).

Almost surely, 2^{1161120054113} is an apocalyptic number.

It is an amenable number.

1161120054113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161120054113 is an equidigital number, since it uses as much as digits as its factorization.

1161120054113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 1161120054113 its reverse (3114500211611), we get a palindrome (4275620265724).

The spelling of 1161120054113 in words is "one trillion, one hundred sixty-one billion, one hundred twenty million, fifty-four thousand, one hundred thirteen".