2611387601 has 2 divisors, whose sum is σ = 2611387602. Its totient is φ = 2611387600.

The previous prime is 2611387529. The next prime is 2611387619. The reversal of 2611387601 is 1067831162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1556697025 + 1054690576 = 39455^2 + 32476^2 .

It is a cyclic number.

It is not a de Polignac number, because 2611387601 - 2³⁰ = 1537645777 is a prime.

It is not a weakly prime, because it can be changed into another prime (2611387631) 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, 1305693800 + 1305693801.

It is an arithmetic number, because the mean of its divisors is an integer number (1305693801).

Almost surely, 2^2611387601 is an apocalyptic number.

It is an amenable number.

2611387601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611387601 is an equidigital number, since it uses as much as digits as its factorization.

2611387601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2611387601 is about 51101.7377493173. The cubic root of 2611387601 is about 1377.0734734994.

The spelling of 2611387601 in words is "two billion, six hundred eleven million, three hundred eighty-seven thousand, six hundred one".