3201543055987 has 2 divisors, whose sum is σ = 3201543055988. Its totient is φ = 3201543055986.

The previous prime is 3201543055969. The next prime is 3201543056027. The reversal of 3201543055987 is 7895503451023.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3201543055987 is a prime.

It is not a weakly prime, because it can be changed into another prime (3201543055927) 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, 1600771527993 + 1600771527994.

It is an arithmetic number, because the mean of its divisors is an integer number (1600771527994).

Almost surely, 2^{3201543055987} is an apocalyptic number.

3201543055987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201543055987 is an equidigital number, since it uses as much as digits as its factorization.

3201543055987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 3201543055987 in words is "three trillion, two hundred one billion, five hundred forty-three million, fifty-five thousand, nine hundred eighty-seven".