3611116961 has 2 divisors, whose sum is σ = 3611116962. Its totient is φ = 3611116960.

The previous prime is 3611116937. The next prime is 3611116973. The reversal of 3611116961 is 1696111163.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2911249936 + 699867025 = 53956^2 + 26455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3611116961 is a prime.

It is not a weakly prime, because it can be changed into another prime (3611116921) 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, 1805558480 + 1805558481.

It is an arithmetic number, because the mean of its divisors is an integer number (1805558481).

Almost surely, 2^3611116961 is an apocalyptic number.

It is an amenable number.

3611116961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3611116961 is an equidigital number, since it uses as much as digits as its factorization.

3611116961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 35.

The square root of 3611116961 is about 60092.5699317312. The cubic root of 3611116961 is about 1534.1948422012.

The spelling of 3611116961 in words is "three billion, six hundred eleven million, one hundred sixteen thousand, nine hundred sixty-one".