2611275065 has 16 divisors (see below), whose sum is σ = 3582340992. Its totient is φ = 1790006784.

The previous prime is 2611275059. The next prime is 2611275151. The reversal of 2611275065 is 5605721162.

It is a cyclic number.

It is not a de Polignac number, because 2611275065 - 2⁶ = 2611275001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 116282 + ... + 136908.

It is an arithmetic number, because the mean of its divisors is an integer number (223896312).

Almost surely, 2^2611275065 is an apocalyptic number.

It is an amenable number.

2611275065 is a deficient number, since it is larger than the sum of its proper divisors (971065927).

2611275065 is a wasteful number, since it uses less digits than its factorization.

2611275065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24256.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 2611275065 is about 51100.6366398698. The cubic root of 2611275065 is about 1377.0536918622.

The spelling of 2611275065 in words is "two billion, six hundred eleven million, two hundred seventy-five thousand, sixty-five".