12664115430111 has 96 divisors (see below), whose sum is σ = 19418762188800. Its totient is φ = 7944344179200.

The previous prime is 12664115430079. The next prime is 12664115430133. The reversal of 12664115430111 is 11103451146621.

12664115430111 is a `hidden beast` number, since 1 + 2 + 6 + 641 + 1 + 5 + 4 + 3 + 0 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 12664115430111 - 2⁵ = 12664115430079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12664115430181) 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 95 ways as a sum of consecutive naturals, for example, 250496286 + ... + 250546836.

It is an arithmetic number, because the mean of its divisors is an integer number (202278772800).

Almost surely, 2^{12664115430111} is an apocalyptic number.

12664115430111 is a deficient number, since it is larger than the sum of its proper divisors (6754646758689).

12664115430111 is a wasteful number, since it uses less digits than its factorization.

12664115430111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50869 (or 50866 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

Adding to 12664115430111 its reverse (11103451146621), we get a palindrome (23767566576732).

The spelling of 12664115430111 in words is "twelve trillion, six hundred sixty-four billion, one hundred fifteen million, four hundred thirty thousand, one hundred eleven".