12115044651 has 8 divisors (see below), whose sum is σ = 17003571520. Its totient is φ = 7651607112.

The previous prime is 12115044649. The next prime is 12115044659. The reversal of 12115044651 is 15644051121.

12115044651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12115044651 - 2¹ = 12115044649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12115044659) 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 7 ways as a sum of consecutive naturals, for example, 106272265 + ... + 106272378.

It is an arithmetic number, because the mean of its divisors is an integer number (2125446440).

Almost surely, 2^12115044651 is an apocalyptic number.

12115044651 is a deficient number, since it is larger than the sum of its proper divisors (4888526869).

12115044651 is a wasteful number, since it uses less digits than its factorization.

12115044651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212544665.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 12115044651 its reverse (15644051121), we get a palindrome (27759095772).

The spelling of 12115044651 in words is "twelve billion, one hundred fifteen million, forty-four thousand, six hundred fifty-one".