2664532113305 has 4 divisors (see below), whose sum is σ = 3197438535972. Its totient is φ = 2131625690640.

The previous prime is 2664532113247. The next prime is 2664532113307. The reversal of 2664532113305 is 5033112354662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1605139497481 + 1059392615824 = 1266941^2 + 1029268^2 .

It is not a de Polignac number, because 2664532113305 - 2⁶ = 2664532113241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664532113307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266453211326 + ... + 266453211335.

It is an arithmetic number, because the mean of its divisors is an integer number (799359633993).

Almost surely, 2^{2664532113305} is an apocalyptic number.

It is an amenable number.

2664532113305 is a deficient number, since it is larger than the sum of its proper divisors (532906422667).

2664532113305 is an equidigital number, since it uses as much as digits as its factorization.

2664532113305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532906422666.

The product of its (nonzero) digits is 388800, while the sum is 41.

Adding to 2664532113305 its reverse (5033112354662), we get a palindrome (7697644467967).

The spelling of 2664532113305 in words is "two trillion, six hundred sixty-four billion, five hundred thirty-two million, one hundred thirteen thousand, three hundred five".