12345305155 has 8 divisors (see below), whose sum is σ = 14920945200. Its totient is φ = 9805191456.

The previous prime is 12345305143. The next prime is 12345305171. The reversal of 12345305155 is 55150354321.

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

It is a cyclic number.

It is not a de Polignac number, because 12345305155 - 2²³ = 12336916547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12345305155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8880820 + ... + 8882209.

It is an arithmetic number, because the mean of its divisors is an integer number (1865118150).

Almost surely, 2^12345305155 is an apocalyptic number.

12345305155 is a deficient number, since it is larger than the sum of its proper divisors (2575640045).

12345305155 is a wasteful number, since it uses less digits than its factorization.

12345305155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17763173.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 12345305155 its reverse (55150354321), we get a palindrome (67495659476).

The spelling of 12345305155 in words is "twelve billion, three hundred forty-five million, three hundred five thousand, one hundred fifty-five".