12819606155 has 4 divisors (see below), whose sum is σ = 15383527392. Its totient is φ = 10255684920.

The previous prime is 12819606131. The next prime is 12819606179. The reversal of 12819606155 is 55160691821.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12819606131) and next prime (12819606179).

It is not a de Polignac number, because 12819606155 - 2⁶ = 12819606091 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 1281960611 + ... + 1281960620.

It is an arithmetic number, because the mean of its divisors is an integer number (3845881848).

Almost surely, 2^12819606155 is an apocalyptic number.

12819606155 is a deficient number, since it is larger than the sum of its proper divisors (2563921237).

12819606155 is an equidigital number, since it uses as much as digits as its factorization.

12819606155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563921236.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 12819606155 in words is "twelve billion, eight hundred nineteen million, six hundred six thousand, one hundred fifty-five".