12311464011 has 64 divisors (see below), whose sum is σ = 20630937600. Its totient is φ = 6344236800.

The previous prime is 12311464007. The next prime is 12311464013. The reversal of 12311464011 is 11046411321.

It is a happy number.

It is not a de Polignac number, because 12311464011 - 2² = 12311464007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12311464013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29382760 + ... + 29383178.

It is an arithmetic number, because the mean of its divisors is an integer number (322358400).

Almost surely, 2^12311464011 is an apocalyptic number.

12311464011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12311464011 is a deficient number, since it is larger than the sum of its proper divisors (8319473589).

12311464011 is a wasteful number, since it uses less digits than its factorization.

12311464011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 12311464011 its reverse (11046411321), we get a palindrome (23357875332).

The spelling of 12311464011 in words is "twelve billion, three hundred eleven million, four hundred sixty-four thousand, eleven".