64611041211 has 24 divisors (see below), whose sum is σ = 99168614064. Its totient is φ = 40395962880.

The previous prime is 64611041203. The next prime is 64611041219. The reversal of 64611041211 is 11214011646.

64611041211 is a `hidden beast` number, since 6 + 4 + 611 + 0 + 41 + 2 + 1 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (64611041203) and next prime (64611041219).

It is not a de Polignac number, because 64611041211 - 2³ = 64611041203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64611041219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 708421 + ... + 794406.

It is an arithmetic number, because the mean of its divisors is an integer number (4132025586).

Almost surely, 2^64611041211 is an apocalyptic number.

64611041211 is a deficient number, since it is larger than the sum of its proper divisors (34557572853).

64611041211 is a wasteful number, since it uses less digits than its factorization.

64611041211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503131 (or 1503128 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 64611041211 its reverse (11214011646), we get a palindrome (75825052857).

The spelling of 64611041211 in words is "sixty-four billion, six hundred eleven million, forty-one thousand, two hundred eleven".