1050197399987 has 2 divisors, whose sum is σ = 1050197399988. Its totient is φ = 1050197399986.

The previous prime is 1050197399941. The next prime is 1050197400001. The reversal of 1050197399987 is 7899937910501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1050197399987 - 2¹⁶ = 1050197334451 is a prime.

It is a super-2 number, since 2×1050197399987² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1050197399917) 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, 525098699993 + 525098699994.

It is an arithmetic number, because the mean of its divisors is an integer number (525098699994).

Almost surely, 2^{1050197399987} is an apocalyptic number.

1050197399987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050197399987 is an equidigital number, since it uses as much as digits as its factorization.

1050197399987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38578680, while the sum is 68.

The spelling of 1050197399987 in words is "one trillion, fifty billion, one hundred ninety-seven million, three hundred ninety-nine thousand, nine hundred eighty-seven".