1505050561087 has 2 divisors, whose sum is σ = 1505050561088. Its totient is φ = 1505050561086.

The previous prime is 1505050561081. The next prime is 1505050561169. The reversal of 1505050561087 is 7801650505051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1505050561087 - 2¹¹ = 1505050559039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1505050561081) 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, 752525280543 + 752525280544.

It is an arithmetic number, because the mean of its divisors is an integer number (752525280544).

Almost surely, 2^{1505050561087} is an apocalyptic number.

1505050561087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1505050561087 is an equidigital number, since it uses as much as digits as its factorization.

1505050561087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210000, while the sum is 43.

The spelling of 1505050561087 in words is "one trillion, five hundred five billion, fifty million, five hundred sixty-one thousand, eighty-seven".