1087143845843 has 12 divisors (see below), whose sum is σ = 1203682116840. Its totient is φ = 981098611680.

The previous prime is 1087143845803. The next prime is 1087143845899. The reversal of 1087143845843 is 3485483417801.

It is not a de Polignac number, because 1087143845843 - 2¹⁸ = 1087143583699 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087143845803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32774153 + ... + 32807306.

It is an arithmetic number, because the mean of its divisors is an integer number (100306843070).

Almost surely, 2^{1087143845843} is an apocalyptic number.

1087143845843 is a deficient number, since it is larger than the sum of its proper divisors (116538270997).

1087143845843 is a wasteful number, since it uses less digits than its factorization.

1087143845843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65581618 (or 65581607 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 1087143845843 in words is "one trillion, eighty-seven billion, one hundred forty-three million, eight hundred forty-five thousand, eight hundred forty-three".