12455667889 has 16 divisors (see below), whose sum is σ = 14287351680. Its totient is φ = 10637130240.

The previous prime is 12455667883. The next prime is 12455667941. The reversal of 12455667889 is 98876655421.

12455667889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12455667889 - 2¹¹ = 12455665841 is a prime.

It is a super-2 number, since 2×12455667889² (a number of 21 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12455667883) 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 in 15 ways as a sum of consecutive naturals, for example, 2757697 + ... + 2762209.

It is an arithmetic number, because the mean of its divisors is an integer number (892959480).

Almost surely, 2^12455667889 is an apocalyptic number.

It is an amenable number.

12455667889 is a deficient number, since it is larger than the sum of its proper divisors (1831683791).

12455667889 is an equidigital number, since it uses as much as digits as its factorization.

12455667889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880.

The product of its digits is 29030400, while the sum is 61.

The spelling of 12455667889 in words is "twelve billion, four hundred fifty-five million, six hundred sixty-seven thousand, eight hundred eighty-nine".