1043040025013 has 16 divisors (see below), whose sum is σ = 1262199959424. Its totient is φ = 841421468160.

The previous prime is 1043040025003. The next prime is 1043040025031. The reversal of 1043040025013 is 3105200403401.

It is not a de Polignac number, because 1043040025013 - 2¹⁶ = 1043039959477 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 1043040025013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043040025003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5428481 + ... + 5617337.

It is an arithmetic number, because the mean of its divisors is an integer number (78887497464).

Almost surely, 2^{1043040025013} is an apocalyptic number.

It is an amenable number.

1043040025013 is a deficient number, since it is larger than the sum of its proper divisors (219159934411).

1043040025013 is a wasteful number, since it uses less digits than its factorization.

1043040025013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235292.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 1043040025013 its reverse (3105200403401), we get a palindrome (4148240428414).

The spelling of 1043040025013 in words is "one trillion, forty-three billion, forty million, twenty-five thousand, thirteen".