1303506290887 has 2 divisors, whose sum is σ = 1303506290888. Its totient is φ = 1303506290886.

The previous prime is 1303506290851. The next prime is 1303506290969. The reversal of 1303506290887 is 7880926053031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303506290887 - 2⁷ = 1303506290759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303506291887) 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, 651753145443 + 651753145444.

It is an arithmetic number, because the mean of its divisors is an integer number (651753145444).

Almost surely, 2^{1303506290887} is an apocalyptic number.

1303506290887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303506290887 is an equidigital number, since it uses as much as digits as its factorization.

1303506290887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 1303506290887 in words is "one trillion, three hundred three billion, five hundred six million, two hundred ninety thousand, eight hundred eighty-seven".