12451893611 has 2 divisors, whose sum is σ = 12451893612. Its totient is φ = 12451893610.

The previous prime is 12451893607. The next prime is 12451893673. The reversal of 12451893611 is 11639815421.

It is a happy number.

12451893611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12451893611 - 2² = 12451893607 is a prime.

It is not a weakly prime, because it can be changed into another prime (12451893211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225946805 + 6225946806.

It is an arithmetic number, because the mean of its divisors is an integer number (6225946806).

Almost surely, 2^12451893611 is an apocalyptic number.

12451893611 is a deficient number, since it is larger than the sum of its proper divisors (1).

12451893611 is an equidigital number, since it uses as much as digits as its factorization.

12451893611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 41.

The spelling of 12451893611 in words is "twelve billion, four hundred fifty-one million, eight hundred ninety-three thousand, six hundred eleven".