245041231211311 has 4 divisors (see below), whose sum is σ = 245109053310472. Its totient is φ = 244973409112152.

The previous prime is 245041231211299. The next prime is 245041231211341. The reversal of 245041231211311 is 113112132140542.

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

It is a cyclic number.

It is not a de Polignac number, because 245041231211311 - 2⁹ = 245041231210799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245041231211341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33911044161 + ... + 33911051386.

It is an arithmetic number, because the mean of its divisors is an integer number (61277263327618).

Almost surely, 2^{245041231211311} is an apocalyptic number.

245041231211311 is a deficient number, since it is larger than the sum of its proper divisors (67822099161).

245041231211311 is an equidigital number, since it uses as much as digits as its factorization.

245041231211311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67822099160.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 245041231211311 its reverse (113112132140542), we get a palindrome (358153363351853).

It can be divided in two parts, 245041231 and 211311, that added together give a palindrome (245252542).

The spelling of 245041231211311 in words is "two hundred forty-five trillion, forty-one billion, two hundred thirty-one million, two hundred eleven thousand, three hundred eleven".