11311305968245 has 4 divisors (see below), whose sum is σ = 13573567161900. Its totient is φ = 9049044774592.

The previous prime is 11311305968191. The next prime is 11311305968279. The reversal of 11311305968245 is 54286950311311.

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 6317873277444 + 4993432690801 = 2513538^2 + 2234599^2 .

It is a cyclic number.

It is not a de Polignac number, because 11311305968245 - 2⁹ = 11311305967733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131130596820 + ... + 1131130596829.

It is an arithmetic number, because the mean of its divisors is an integer number (3393391790475).

Almost surely, 2^{11311305968245} is an apocalyptic number.

It is an amenable number.

11311305968245 is a deficient number, since it is larger than the sum of its proper divisors (2262261193655).

11311305968245 is an equidigital number, since it uses as much as digits as its factorization.

11311305968245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262261193654.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 11311305968245 in words is "eleven trillion, three hundred eleven billion, three hundred five million, nine hundred sixty-eight thousand, two hundred forty-five".