3261328634511 has 12 divisors (see below), whose sum is σ = 4710904009240. Its totient is φ = 2174174790480.

The previous prime is 3261328634483. The next prime is 3261328634549. The reversal of 3261328634511 is 1154368231623.

3261328634511 is a `hidden beast` number, since 3 + 2 + 6 + 1 + 3 + 2 + 8 + 634 + 5 + 1 + 1 = 666.

It is not a de Polignac number, because 3261328634511 - 2⁵ = 3261328634479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261328638511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3222196 + ... + 4111593.

Almost surely, 2^{3261328634511} is an apocalyptic number.

3261328634511 is a deficient number, since it is larger than the sum of its proper divisors (1449575374729).

3261328634511 is a wasteful number, since it uses less digits than its factorization.

3261328634511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383206 (or 7383203 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 3261328634511 in words is "three trillion, two hundred sixty-one billion, three hundred twenty-eight million, six hundred thirty-four thousand, five hundred eleven".