3005505019987 has 2 divisors, whose sum is σ = 3005505019988. Its totient is φ = 3005505019986.

The previous prime is 3005505019921. The next prime is 3005505019991. The reversal of 3005505019987 is 7899105055003.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3005505019987 is a prime.

It is not a weakly prime, because it can be changed into another prime (3005505019687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502752509993 + 1502752509994.

It is an arithmetic number, because the mean of its divisors is an integer number (1502752509994).

Almost surely, 2^{3005505019987} is an apocalyptic number.

3005505019987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3005505019987 is an equidigital number, since it uses as much as digits as its factorization.

3005505019987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701000, while the sum is 52.

The spelling of 3005505019987 in words is "three trillion, five billion, five hundred five million, nineteen thousand, nine hundred eighty-seven".