12150005155 has 8 divisors (see below), whose sum is σ = 15082765200. Its totient is φ = 9384831456.

The previous prime is 12150005123. The next prime is 12150005173. The reversal of 12150005155 is 55150005121.

12150005155 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 a cyclic number.

It is not a de Polignac number, because 12150005155 - 2⁵ = 12150005123 is a prime.

It is an unprimeable number.

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, 41896425 + ... + 41896714.

It is an arithmetic number, because the mean of its divisors is an integer number (1885345650).

Almost surely, 2^12150005155 is an apocalyptic number.

12150005155 is a deficient number, since it is larger than the sum of its proper divisors (2932760045).

12150005155 is an equidigital number, since it uses as much as digits as its factorization.

12150005155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83793173.

The product of its (nonzero) digits is 1250, while the sum is 25.

The spelling of 12150005155 in words is "twelve billion, one hundred fifty million, five thousand, one hundred fifty-five".