1002542243043 has 24 divisors (see below), whose sum is σ = 1476748993104. Its totient is φ = 604517045440.

The previous prime is 1002542242927. The next prime is 1002542243077. The reversal of 1002542243043 is 3403422452001.

It is not a de Polignac number, because 1002542243043 - 2¹⁴ = 1002542226659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002542243043.

It is not an unprimeable number, because it can be changed into a prime (1002542243083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6938196 + ... + 7081217.

It is an arithmetic number, because the mean of its divisors is an integer number (61531208046).

Almost surely, 2^{1002542243043} is an apocalyptic number.

1002542243043 is a deficient number, since it is larger than the sum of its proper divisors (474206750061).

1002542243043 is a wasteful number, since it uses less digits than its factorization.

1002542243043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14019635 (or 14019624 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 1002542243043 its reverse (3403422452001), we get a palindrome (4405964695044).

The spelling of 1002542243043 in words is "one trillion, two billion, five hundred forty-two million, two hundred forty-three thousand, forty-three".