1087231365863 has 4 divisors (see below), whose sum is σ = 1087243535280. Its totient is φ = 1087219196448.

The previous prime is 1087231365853. The next prime is 1087231365917. The reversal of 1087231365863 is 3685631327801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1087231365863 - 2²⁰ = 1087230317287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087231365853) 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 in 3 ways as a sum of consecutive naturals, for example, 5949698 + ... + 6129711.

It is an arithmetic number, because the mean of its divisors is an integer number (271810883820).

Almost surely, 2^{1087231365863} is an apocalyptic number.

1087231365863 is a deficient number, since it is larger than the sum of its proper divisors (12169417).

1087231365863 is an equidigital number, since it uses as much as digits as its factorization.

1087231365863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12169416.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 1087231365863 in words is "one trillion, eighty-seven billion, two hundred thirty-one million, three hundred sixty-five thousand, eight hundred sixty-three".