2660500011 has 32 divisors (see below), whose sum is σ = 3991099392. Its totient is φ = 1565268480.

The previous prime is 2660499977. The next prime is 2660500019. The reversal of 2660500011 is 1100050662.

It is a happy number.

It is not a de Polignac number, because 2660500011 - 2¹⁴ = 2660483627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2660500019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87091 + ... + 113603.

It is an arithmetic number, because the mean of its divisors is an integer number (124721856).

Almost surely, 2^2660500011 is an apocalyptic number.

2660500011 is a deficient number, since it is larger than the sum of its proper divisors (1330599381).

2660500011 is a wasteful number, since it uses less digits than its factorization.

2660500011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26643.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2660500011 is about 51580.0350038656. The cubic root of 2660500011 is about 1385.6527936177.

Adding to 2660500011 its reverse (1100050662), we get a palindrome (3760550673).

The spelling of 2660500011 in words is "two billion, six hundred sixty million, five hundred thousand, eleven".