1040909569885 has 4 divisors (see below), whose sum is σ = 1249091483868. Its totient is φ = 832727655904.

The previous prime is 1040909569877. The next prime is 1040909569949. The reversal of 1040909569885 is 5889659090401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 765647750169 + 275261819716 = 875013^2 + 524654^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040909569885 - 2³ = 1040909569877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 104090956984 + ... + 104090956993.

It is an arithmetic number, because the mean of its divisors is an integer number (312272870967).

Almost surely, 2^{1040909569885} is an apocalyptic number.

It is an amenable number.

1040909569885 is a deficient number, since it is larger than the sum of its proper divisors (208181913983).

1040909569885 is an equidigital number, since it uses as much as digits as its factorization.

1040909569885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208181913982.

The product of its (nonzero) digits is 27993600, while the sum is 64.

The spelling of 1040909569885 in words is "one trillion, forty billion, nine hundred nine million, five hundred sixty-nine thousand, eight hundred eighty-five".