12311102443005 has 24 divisors (see below), whose sum is σ = 21480563744640. Its totient is φ = 6522438376800.

The previous prime is 12311102442979. The next prime is 12311102443051. The reversal of 12311102443005 is 50034420111321.

12311102443005 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 110 + 244 + 300 + 5 = 666.

It is not a de Polignac number, because 12311102443005 - 2⁶ = 12311102442941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12311102443005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 905887425 + ... + 905901014.

It is an arithmetic number, because the mean of its divisors is an integer number (895023489360).

Almost surely, 2^{12311102443005} is an apocalyptic number.

12311102443005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12311102443005 is a deficient number, since it is larger than the sum of its proper divisors (9169461301635).

12311102443005 is a wasteful number, since it uses less digits than its factorization.

12311102443005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811788601 (or 1811788598 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 12311102443005 its reverse (50034420111321), we get a palindrome (62345522554326).

The spelling of 12311102443005 in words is "twelve trillion, three hundred eleven billion, one hundred two million, four hundred forty-three thousand, five".