2311204404105 has 48 divisors (see below), whose sum is σ = 4169246425344. Its totient is φ = 1228255539840.

The previous prime is 2311204404101. The next prime is 2311204404167. The reversal of 2311204404105 is 5014044021132.

2311204404105 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 204 + 40 + 410 + 5 = 666.

It is not a de Polignac number, because 2311204404105 - 2² = 2311204404101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2311204404101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3043329 + ... + 3726158.

It is an arithmetic number, because the mean of its divisors is an integer number (86859300528).

Almost surely, 2^{2311204404105} is an apocalyptic number.

It is an amenable number.

2311204404105 is a deficient number, since it is larger than the sum of its proper divisors (1858042021239).

2311204404105 is an equidigital number, since it uses as much as digits as its factorization.

2311204404105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769788 (or 6769776 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 2311204404105 its reverse (5014044021132), we get a palindrome (7325248425237).

The spelling of 2311204404105 in words is "two trillion, three hundred eleven billion, two hundred four million, four hundred four thousand, one hundred five".