2611367761 has 2 divisors, whose sum is σ = 2611367762. Its totient is φ = 2611367760.

The previous prime is 2611367741. The next prime is 2611367819. The reversal of 2611367761 is 1677631162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2408846400 + 202521361 = 49080^2 + 14231^2 .

It is a cyclic number.

It is not a de Polignac number, because 2611367761 - 2⁵ = 2611367729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2611367711) 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, 1305683880 + 1305683881.

It is an arithmetic number, because the mean of its divisors is an integer number (1305683881).

Almost surely, 2^2611367761 is an apocalyptic number.

It is an amenable number.

2611367761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611367761 is an equidigital number, since it uses as much as digits as its factorization.

2611367761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 2611367761 is about 51101.5436263916. The cubic root of 2611367761 is about 1377.0699860551.

The spelling of 2611367761 in words is "two billion, six hundred eleven million, three hundred sixty-seven thousand, seven hundred sixty-one".