12044425155 has 96 divisors (see below), whose sum is σ = 23055943680. Its totient is φ = 5350867200.

The previous prime is 12044425153. The next prime is 12044425171. The reversal of 12044425155 is 55152444021.

It is a happy number.

It is not a de Polignac number, because 12044425155 - 2¹ = 12044425153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12044425153) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5215141 + ... + 5217449.

It is an arithmetic number, because the mean of its divisors is an integer number (240166080).

Almost surely, 2^12044425155 is an apocalyptic number.

12044425155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12044425155 is a deficient number, since it is larger than the sum of its proper divisors (11011518525).

12044425155 is a wasteful number, since it uses less digits than its factorization.

12044425155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 12044425155 its reverse (55152444021), we get a palindrome (67196869176).

The spelling of 12044425155 in words is "twelve billion, forty-four million, four hundred twenty-five thousand, one hundred fifty-five".