2664111305 has 12 divisors (see below), whose sum is σ = 3230288460. Its totient is φ = 2109279744.

The previous prime is 2664111257. The next prime is 2664111323. The reversal of 2664111305 is 5031114662.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 78287104 + 2585824201 = 8848^2 + 50851^2 .

It is not a de Polignac number, because 2664111305 - 2¹² = 2664107209 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 18731 + ... + 75359.

It is an arithmetic number, because the mean of its divisors is an integer number (269190705).

Almost surely, 2^2664111305 is an apocalyptic number.

It is an amenable number.

2664111305 is a deficient number, since it is larger than the sum of its proper divisors (566177155).

2664111305 is an frugal number, since it uses more digits than its factorization.

2664111305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56828 (or 56731 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2664111305 is about 51615.0298362793. The cubic root of 2664111305 is about 1386.2794599342.

Adding to 2664111305 its reverse (5031114662), we get a palindrome (7695225967).

The spelling of 2664111305 in words is "two billion, six hundred sixty-four million, one hundred eleven thousand, three hundred five".