12553185187 has 2 divisors, whose sum is σ = 12553185188. Its totient is φ = 12553185186.

The previous prime is 12553185179. The next prime is 12553185247. The reversal of 12553185187 is 78158135521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12553185187 - 2³ = 12553185179 is a prime.

It is not a weakly prime, because it can be changed into another prime (12553186187) by changing a digit.

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 as a sum of consecutive naturals, namely, 6276592593 + 6276592594.

It is an arithmetic number, because the mean of its divisors is an integer number (6276592594).

Almost surely, 2^12553185187 is an apocalyptic number.

12553185187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553185187 is an equidigital number, since it uses as much as digits as its factorization.

12553185187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336000, while the sum is 46.

The spelling of 12553185187 in words is "twelve billion, five hundred fifty-three million, one hundred eighty-five thousand, one hundred eighty-seven".