1169611061 has 2 divisors, whose sum is σ = 1169611062. Its totient is φ = 1169611060.

The previous prime is 1169611013. The next prime is 1169611081. The reversal of 1169611061 is 1601169611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 623500900 + 546110161 = 24970^2 + 23369^2 .

It is an emirp because it is prime and its reverse (1601169611) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1901196911 and 1196911091.

It is a cyclic number.

It is not a de Polignac number, because 1169611061 - 2²² = 1165416757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1169611081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584805530 + 584805531.

It is an arithmetic number, because the mean of its divisors is an integer number (584805531).

Almost surely, 2^1169611061 is an apocalyptic number.

It is an amenable number.

1169611061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1169611061 is an equidigital number, since it uses as much as digits as its factorization.

1169611061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 1169611061 is about 34199.5769125877. The cubic root of 1169611061 is about 1053.6114676932.

The spelling of 1169611061 in words is "one billion, one hundred sixty-nine million, six hundred eleven thousand, sixty-one".