12511442366 has 8 divisors (see below), whose sum is σ = 19871114400. Its totient is φ = 5887737568.

The previous prime is 12511442357. The next prime is 12511442369. The reversal of 12511442366 is 66324411521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12511442369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183991766 + ... + 183991833.

It is an arithmetic number, because the mean of its divisors is an integer number (2483889300).

Almost surely, 2^12511442366 is an apocalyptic number.

12511442366 is a deficient number, since it is larger than the sum of its proper divisors (7359672034).

12511442366 is a wasteful number, since it uses less digits than its factorization.

12511442366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367983618.

The product of its digits is 34560, while the sum is 35.

Adding to 12511442366 its reverse (66324411521), we get a palindrome (78835853887).

The spelling of 12511442366 in words is "twelve billion, five hundred eleven million, four hundred forty-two thousand, three hundred sixty-six".