12603189981587 has 2 divisors, whose sum is σ = 12603189981588. Its totient is φ = 12603189981586.

The previous prime is 12603189981491. The next prime is 12603189981589. The reversal of 12603189981587 is 78518998130621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12603189981587 is a prime.

Together with 12603189981589, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12603189981589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6301594990793 + 6301594990794.

It is an arithmetic number, because the mean of its divisors is an integer number (6301594990794).

Almost surely, 2^{12603189981587} is an apocalyptic number.

12603189981587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12603189981587 is an equidigital number, since it uses as much as digits as its factorization.

12603189981587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52254720, while the sum is 68.

The spelling of 12603189981587 in words is "twelve trillion, six hundred three billion, one hundred eighty-nine million, nine hundred eighty-one thousand, five hundred eighty-seven".