1001140140043 has 4 divisors (see below), whose sum is σ = 1010324912080. Its totient is φ = 991955368008.

The previous prime is 1001140140029. The next prime is 1001140140053. The reversal of 1001140140043 is 3400410411001.

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 1001140140043 - 2¹³ = 1001140131851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001140140043.

It is not an unprimeable number, because it can be changed into a prime (1001140140053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4592385855 + ... + 4592386072.

It is an arithmetic number, because the mean of its divisors is an integer number (252581228020).

Almost surely, 2^{1001140140043} is an apocalyptic number.

1001140140043 is a deficient number, since it is larger than the sum of its proper divisors (9184772037).

1001140140043 is an equidigital number, since it uses as much as digits as its factorization.

1001140140043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9184772036.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1001140140043 its reverse (3400410411001), we get a palindrome (4401550551044).

The spelling of 1001140140043 in words is "one trillion, one billion, one hundred forty million, one hundred forty thousand, forty-three".