1161082141 has 2 divisors, whose sum is σ = 1161082142. Its totient is φ = 1161082140.

The previous prime is 1161082093. The next prime is 1161082171. The reversal of 1161082141 is 1412801611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 963792025 + 197290116 = 31045^2 + 14046^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161082141 - 2²¹ = 1158984989 is a prime.

It is a super-2 number, since 2×1161082141² = 2696223476298287762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161082171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580541070 + 580541071.

It is an arithmetic number, because the mean of its divisors is an integer number (580541071).

Almost surely, 2^1161082141 is an apocalyptic number.

It is an amenable number.

1161082141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161082141 is an equidigital number, since it uses as much as digits as its factorization.

1161082141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 1161082141 is about 34074.6554054476. The cubic root of 1161082141 is about 1051.0442041482.

Adding to 1161082141 its reverse (1412801611), we get a palindrome (2573883752).

The spelling of 1161082141 in words is "one billion, one hundred sixty-one million, eighty-two thousand, one hundred forty-one".