1161733361 has 2 divisors, whose sum is σ = 1161733362. Its totient is φ = 1161733360.

The previous prime is 1161733343. The next prime is 1161733367. The reversal of 1161733361 is 1633371611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 589566961 + 572166400 = 24281^2 + 23920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161733361 - 2¹⁴ = 1161716977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1161733367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580866680 + 580866681.

It is an arithmetic number, because the mean of its divisors is an integer number (580866681).

Almost surely, 2^1161733361 is an apocalyptic number.

It is an amenable number.

1161733361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161733361 is an equidigital number, since it uses as much as digits as its factorization.

1161733361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 32.

The square root of 1161733361 is about 34084.2098485501. The cubic root of 1161733361 is about 1051.2406683078.

The spelling of 1161733361 in words is "one billion, one hundred sixty-one million, seven hundred thirty-three thousand, three hundred sixty-one".