2660435011 has 12 divisors (see below), whose sum is σ = 2935191168. Its totient is φ = 2409442464.

The previous prime is 2660434999. The next prime is 2660435033. The reversal of 2660435011 is 1105340662.

It is not a de Polignac number, because 2660435011 - 2²³ = 2652046403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2660435051) 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 11 ways as a sum of consecutive naturals, for example, 139555 + ... + 157468.

It is an arithmetic number, because the mean of its divisors is an integer number (244599264).

Almost surely, 2^2660435011 is an apocalyptic number.

2660435011 is a deficient number, since it is larger than the sum of its proper divisors (274756157).

2660435011 is a wasteful number, since it uses less digits than its factorization.

2660435011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297102 (or 297089 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2660435011 is about 51579.4049112628. The cubic root of 2660435011 is about 1385.6415090015.

Adding to 2660435011 its reverse (1105340662), we get a palindrome (3765775673).

The spelling of 2660435011 in words is "two billion, six hundred sixty million, four hundred thirty-five thousand, eleven".